{"product_id":"activated-carbon-honeycomb-aquarium-filter-cube","title":"🐠 Honeycomb Aquarium Filter Cube – Help Reduce Debris, Odors \u0026 Discoloration","description":"\u003cdiv class=\"hfc-page\"\u003e\n\n\u003cstyle\u003e\n.hfc-page{\n  --hfc-bg:#edf8f8;\n  --hfc-card:#ffffff;\n  --hfc-dark:#07353a;\n  --hfc-dark2:#0b4b4d;\n  --hfc-ink:#17373a;\n  --hfc-muted:#62797b;\n  --hfc-teal:#0a8a88;\n  --hfc-teal2:#32b7ad;\n  --hfc-green:#39a86c;\n  --hfc-line:rgba(18,72,75,.10);\n\n  width:100%;\n  max-width:1120px;\n  margin:0 auto;\n  overflow:hidden;\n\n  color:var(--hfc-ink);\n\n  background:\n    radial-gradient(\n      circle at 8% 0%,\n      rgba(50,183,173,.16),\n      transparent 28%\n    ),\n    radial-gradient(\n      circle at 94% 8%,\n      rgba(57,168,108,.10),\n      transparent 25%\n    ),\n    linear-gradient(\n      180deg,\n      #fbfefe 0%,\n      #eaf5f5 100%\n    );\n\n  border-radius:24px;\n  container-type:inline-size;\n}\n\n.hfc-page *,\n.hfc-page 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bottom left,\n      rgba(57,168,108,.11),\n      transparent 30%\n    ),\n    linear-gradient(\n      180deg,\n      #0b4b4d 0%,\n      #07353a 100%\n    );\n}\n\n.hfc-page .hfc-btn{\n  display:inline-flex;\n\n  align-items:center;\n\n  justify-content:center;\n\n  max-width:100%;\n\n  margin-top:18px;\n\n  padding:\n    14px 21px;\n\n  border-radius:999px;\n\n  text-decoration:none;\n\n  color:#fff;\n\n  background:\n    linear-gradient(\n      180deg,\n      #32b7ad,\n      #0a8a88\n    );\n\n  font-size:14px;\n\n  font-weight:900;\n\n  box-shadow:\n    0 12px 30px\n    rgba(10,138,136,.27);\n\n  transition:\n    transform .24s ease,\n    box-shadow .24s ease;\n}\n\n.hfc-page .hfc-btn:hover{\n  transform:\n    translateY(-2px);\n\n  box-shadow:\n    0 16px 34px\n    rgba(10,138,136,.32);\n}\n\n.hfc-page .hfc-btn:active{\n  transform:scale(.985);\n}\n\n\/* =========================\n   ANIMATIONS\n========================= *\/\n\n@keyframes hfcShimmer{\n\n  0%{\n    background-position:\n      0% 50%;\n  }\n\n  100%{\n    background-position:\n      220% 50%;\n  }\n}\n\n@keyframes hfcMarquee{\n\n  from{\n    transform:\n      translateX(0);\n  }\n\n  to{\n    transform:\n      translateX(-50%);\n  }\n}\n\n\/* =========================\n   CONTAINER\n========================= *\/\n\n@container (min-width:760px){\n\n  .hfc-page .hfc-wrap{\n    padding:24px;\n  }\n\n  .hfc-page .hfc-hero{\n    padding:28px;\n  }\n\n  .hfc-page .hfc-hero-grid{\n    grid-template-columns:\n      1.02fr .98fr;\n\n    align-items:center;\n\n    gap:24px;\n  }\n\n  .hfc-page .hfc-split{\n    grid-template-columns:\n      1fr 1fr;\n\n    align-items:stretch;\n  }\n\n  .hfc-page .hfc-mini-grid{\n    grid-template-columns:\n      repeat(\n        3,\n        minmax(0,1fr)\n      );\n  }\n\n  .hfc-page .hfc-step-grid{\n    grid-template-columns:\n      repeat(\n        3,\n        minmax(0,1fr)\n      );\n  }\n\n  .hfc-page .hfc-highlight-grid{\n    grid-template-columns:\n      repeat(\n        2,\n        minmax(0,1fr)\n      );\n  }\n\n  .hfc-page .hfc-specs{\n    grid-template-columns:\n      repeat(\n        2,\n        minmax(0,1fr)\n      );\n  }\n}\n\n@container (min-width:980px){\n\n  .hfc-page .hfc-highlight-grid{\n    grid-template-columns:\n      repeat(\n        4,\n        minmax(0,1fr)\n      );\n  }\n}\n\n@media (prefers-reduced-motion:reduce){\n\n  .hfc-page .hfc-card,\n  .hfc-page .hfc-card::after,\n  .hfc-page .hfc-marquee-track,\n  .hfc-page .hfc-shimmer-light,\n  .hfc-page .hfc-shimmer-dark,\n  .hfc-page .hfc-image img,\n  .hfc-page .hfc-btn{\n    animation:none!important;\n    transition:none!important;\n  }\n}\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"hfc-wrap\"\u003e\n\n\n\u003c!-- HERO --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-hero\"\u003e\n\n    \u003cdiv class=\"hfc-hero-grid\"\u003e\n\n      \u003cdiv\u003e\n\n        \u003cdiv class=\"hfc-kicker\"\u003e\n          Honeycomb Activated Carbon Filter Media\n        \u003c\/div\u003e\n\n        \u003ch1 class=\"hfc-title hfc-shimmer-light\"\u003e\n          Give Debris, Odors \u0026amp; Discoloration Another Place To Get Caught.\n        \u003c\/h1\u003e\n\n        \u003cp class=\"hfc-copy hfc-lead\"\u003e\n          Add a compact combination\n          of particle-catching filter material\n          and structured activated carbon\n          to a compatible aquarium filtration system.\n        \u003c\/p\u003e\n\n\n        \u003cul class=\"hfc-tags\"\u003e\n\n          \u003cli\u003e\n            Activated Carbon Core\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            Outer Filter Layer\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            Freshwater \u0026amp; Saltwater\n          \u003c\/li\u003e\n\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n\n      \u003cdiv class=\"hfc-image\"\u003e\n\n        \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171819_f466ceccd8ebfb50a8fc1bb70f14f762_9ffb7710-c375-4ec7-8654-f9ae61fca584.jpg?v=1790046370\u0026amp;width=1946\" alt=\"Activated carbon honeycomb aquarium filter cube with green outer filter layer\" loading=\"eager\"\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- MARQUEE --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-marquee\"\u003e\n\n    \u003cdiv class=\"hfc-marquee-track\"\u003e\n\n      \u003cdiv class=\"hfc-marquee-set\"\u003e\n        ACTIVATED CARBON ◆\n        FILTER COTTON ◆\n        HONEYCOMB CHANNELS ◆\n        DEBRIS CAPTURE ◆\n        ODOR REDUCTION ◆\n        FRESHWATER ◆\n        SALTWATER\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"hfc-marquee-set\"\u003e\n        ACTIVATED CARBON ◆\n        FILTER COTTON ◆\n        HONEYCOMB CHANNELS ◆\n        DEBRIS CAPTURE ◆\n        ODOR REDUCTION ◆\n        FRESHWATER ◆\n        SALTWATER\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- PAIN --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-dark hfc-split\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        When Water Starts Looking Tired\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-dark\"\u003e\n        Visible Debris And Odors Can Build Up Between Maintenance.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        Aquarium filtration works best\n        when different types of media\n        handle different parts of the job.\n        This cube adds both a physical filtering layer\n        and activated-carbon media\n        to a compatible filtration path.\n      \u003c\/p\u003e\n\n\n      \u003cdiv class=\"hfc-mini-grid\"\u003e\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Particle Capture\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            The outer layer helps\n            intercept visible suspended debris\n            before water moves deeper.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Carbon Adsorption\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Activated carbon helps\n            adsorb dissolved compounds\n            associated with odors\n            and discoloration.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Water Contact\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Honeycomb channels create\n            multiple pathways\n            for water to pass through.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171819_22c782da81e2039f97c016acfd00d146_5fdddd23-b7b4-480d-84f9-6c8133d5be91.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Honeycomb activated carbon core and surrounding aquarium filter material\" loading=\"lazy\"\u003e\n\n      \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- HOW IT WORKS --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-split\"\u003e\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171819_45ca6aaa88cfc48e6d1561078a5b263f_85fea611-1ce6-4ac0-aeaa-6052e92675e8.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Layered structure of aquarium filter cube showing multiple filtration materials\" loading=\"lazy\"\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Multi-Layer Filtration\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Different Layers Handle Different Parts Of The Job.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        Instead of relying on loose carbon alone,\n        the cube combines a structured carbon core\n        with surrounding filter material\n        so water passes through more than one\n        filtration function.\n      \u003c\/p\u003e\n\n\n      \u003cdiv class=\"hfc-step-grid\"\u003e\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            1\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Outer Layer\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Helps intercept larger\n              suspended particles\n              and debris.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            2\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Honeycomb Channels\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Water moves through\n              multiple structured pathways\n              in the core.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            3\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Activated Carbon\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Provides chemical filtration\n              for compounds linked\n              with odors and discoloration.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- HONEYCOMB --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-dark hfc-split\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Honeycomb Structure\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-dark\"\u003e\n        More Water Pathways Through One Compact Cube.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        The black carbon core uses\n        a repeated honeycomb structure,\n        giving moving water\n        many channels to contact\n        the activated-carbon surface.\n      \u003c\/p\u003e\n\n\n      \u003cul class=\"hfc-tags\"\u003e\n\n        \u003cli\u003e\n          Structured Channels\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          Compact Cube Shape\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          Large Contact Surface\n        \u003c\/li\u003e\n\n      \u003c\/ul\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171821_5d3f97bc7976b5c91e0a4968510e161b_95132472-7777-4260-9fbe-0f8d3ca6f416.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Close view of honeycomb channels in activated carbon aquarium media\" loading=\"lazy\"\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- FLOW --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-split\"\u003e\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171820_549a10a5971d39434376641f6db53c9e_31a55fe3-1b89-44b0-8c06-b2d72840c18a.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Aquarium filter cube placement showing active water flow through filtration media\" loading=\"lazy\"\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Placement Matters\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Put It Where Water Actually Moves Through The Media.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        This cube works as filter media,\n        so placement inside an active\n        filtration pathway matters.\n        Water needs to move through the media\n        rather than simply around a cube\n        sitting inactive on the tank floor.\n      \u003c\/p\u003e\n\n\n      \u003cul class=\"hfc-tags\"\u003e\n\n        \u003cli\u003e\n          Filter Chambers\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          Media Compartments\n        \u003c\/li\u003e\n\n        \u003cli\u003e\n          Active Water Flow\n        \u003c\/li\u003e\n\n      \u003c\/ul\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- MARQUEE 2 --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-marquee dark reverse\"\u003e\n\n    \u003cdiv class=\"hfc-marquee-track\"\u003e\n\n      \u003cdiv class=\"hfc-marquee-set\"\u003e\n        FILTER CHAMBER ◆\n        ACTIVE WATER FLOW ◆\n        FRESHWATER ◆\n        MARINE SYSTEMS ◆\n        ROUTINE MAINTENANCE ◆\n        REPLACE AS NEEDED\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"hfc-marquee-set\"\u003e\n        FILTER CHAMBER ◆\n        ACTIVE WATER FLOW ◆\n        FRESHWATER ◆\n        MARINE SYSTEMS ◆\n        ROUTINE MAINTENANCE ◆\n        REPLACE AS NEEDED\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- FRESH \/ SALT --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-dark\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Flexible Aquarium Use\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-dark\"\u003e\n        Built For Compatible Freshwater \u0026amp; Saltwater Filtration.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        The current product information\n        lists the cube for both\n        freshwater and saltwater systems.\n        The key is choosing a size\n        that physically fits\n        your filter chamber or media area.\n      \u003c\/p\u003e\n\n\n      \u003cdiv class=\"hfc-mini-grid\"\u003e\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Freshwater Tanks\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Add it to a suitable\n            filter chamber\n            or media compartment.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Saltwater Systems\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Listed for compatible\n            marine filtration\n            applications.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Existing Filters\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Use it as filter media\n            inside a compatible setup,\n            not as a replacement\n            for the entire filtration system.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- MAINTENANCE --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-split\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Easy Routine Maintenance\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Rinse Before Use. Keep Water Moving. Replace When Needed.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        New filter media can carry\n        loose surface dust,\n        so rinse the cube with clean water\n        before installing it\n        in the aquarium filtration system.\n      \u003c\/p\u003e\n\n\n      \u003cdiv class=\"hfc-step-grid\"\u003e\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            1\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Rinse\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Rinse loose carbon dust\n              or surface debris\n              before installation.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            2\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Position\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Place it where\n              aquarium water actively\n              passes through the media.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-step\"\u003e\n\n          \u003cdiv class=\"hfc-step-num\"\u003e\n            3\n          \u003c\/div\u003e\n\n          \u003cdiv\u003e\n\n            \u003cstrong\u003e\n              Replace\n            \u003c\/strong\u003e\n\n            \u003cp\u003e\n              Replace activated-carbon media\n              as filtration performance\n              declines over time.\n            \u003c\/p\u003e\n\n          \u003c\/div\u003e\n\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171819_67803d204d97ff752130b54060b819a2_834e1b46-5c12-43aa-9093-accbab9fb9f9.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Rinsing activated carbon aquarium filter cube with clean water\" loading=\"lazy\"\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- SIZE --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-split\"\u003e\n\n\n    \u003cdiv class=\"hfc-image\"\u003e\n\n      \u003cimg src=\"https:\/\/harikarionthebeat.com\/cdn\/shop\/files\/spp_20250226171821_23e64e05dcc146f5103164c6618f98ef_bb9b26df-edeb-4071-8f5d-dcf9ad0f1fe7.jpg?v=1790046369\u0026amp;width=1946\" alt=\"Medium and large activated carbon aquarium filter cube dimensions\" loading=\"lazy\"\u003e\n\n    \u003c\/div\u003e\n\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Choose The Size That Fits Your Filter\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Medium Or Large — Measure The Media Chamber First.\n      \u003c\/h2\u003e\n\n      \u003cp class=\"hfc-copy\"\u003e\n        Both versions use\n        a 10 × 10 cm footprint.\n        The difference is thickness:\n        Medium measures 5 cm high,\n        while Large measures 10 cm high.\n      \u003c\/p\u003e\n\n\n      \u003cdiv class=\"hfc-mini-grid\"\u003e\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Medium\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            10 × 10 × 5 cm\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Large\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            10 × 10 × 10 cm\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-mini\"\u003e\n\n          \u003cstrong\u003e\n            Before Ordering\n          \u003c\/strong\u003e\n\n          \u003cp\u003e\n            Measure the available\n            space inside your\n            filter media compartment.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- HIGHLIGHTS --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        Product Highlights\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Add Mechanical \u0026amp; Chemical Filter Media In One Compact Form.\n      \u003c\/h2\u003e\n\n\n      \u003cdiv class=\"hfc-highlight-grid\"\u003e\n\n\n        \u003cdiv class=\"hfc-highlight\"\u003e\n\n          \u003cp class=\"hfc-label\"\u003e\n            Outer Filter Layer\n          \u003c\/p\u003e\n\n          \u003ch3\u003e\n            Helps catch visible debris first.\n          \u003c\/h3\u003e\n\n          \u003cp\u003e\n            Surrounding filter material\n            intercepts larger suspended particles\n            as water enters the cube.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-highlight\"\u003e\n\n          \u003cp class=\"hfc-label\"\u003e\n            Activated Carbon\n          \u003c\/p\u003e\n\n          \u003ch3\u003e\n            Adds chemical filtration to the flow path.\n          \u003c\/h3\u003e\n\n          \u003cp\u003e\n            Carbon is commonly used\n            to adsorb dissolved compounds\n            associated with odors\n            and discoloration.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-highlight\"\u003e\n\n          \u003cp class=\"hfc-label\"\u003e\n            Honeycomb Core\n          \u003c\/p\u003e\n\n          \u003ch3\u003e\n            Structured pathways expose water to more surface.\n          \u003c\/h3\u003e\n\n          \u003cp\u003e\n            Repeated channels let water\n            move through the carbon\n            instead of relying on loose powder.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-highlight\"\u003e\n\n          \u003cp class=\"hfc-label\"\u003e\n            Two Sizes\n          \u003c\/p\u003e\n\n          \u003ch3\u003e\n            Fit different filter compartments.\n          \u003c\/h3\u003e\n\n          \u003cp\u003e\n            Choose 10 × 10 × 5 cm\n            or 10 × 10 × 10 cm\n            based on available space.\n          \u003c\/p\u003e\n\n        \u003c\/div\u003e\n\n\n      \u003c\/div\u003e\n\n\n      \u003c!-- SPECIFICATIONS --\u003e\n\n      \u003cdiv class=\"hfc-specs\"\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Product Type\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Aquarium Filter Media Cube\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Core Material\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Activated Carbon\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Outer Material\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Filter Cotton\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Structure\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Honeycomb Carbon Cube\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Medium Size\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            10 × 10 × 5 cm\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Large Size\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            10 × 10 × 10 cm\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Aquarium Type\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Compatible Freshwater\n            \u0026amp; Saltwater Filtration Systems\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Quantity\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            1 Filter Cube\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Placement\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Active Filter Chamber\n            Or Media Compartment\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n        \u003cdiv class=\"hfc-spec\"\u003e\n\n          \u003cspan class=\"hfc-spec-label\"\u003e\n            Main Functions\n          \u003c\/span\u003e\n\n          \u003cspan class=\"hfc-spec-value\"\u003e\n            Particle Capture\n            + Activated Carbon Chemical Filtration\n          \u003c\/span\u003e\n\n        \u003c\/div\u003e\n\n\n      \u003c\/div\u003e\n\n\n      \u003cdiv class=\"hfc-note\"\u003e\n\n        \u003cstrong\u003e\n          Aquarium Care Note:\n        \u003c\/strong\u003e\n\n        Rinse new media before use.\n        Do not wash aquarium filter media\n        with household soap or detergent.\n        Keep the cube inside an active\n        filtration pathway\n        and replace activated-carbon media\n        as needed.\n\n      \u003c\/div\u003e\n\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- FAQ --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card\"\u003e\n\n    \u003cdiv class=\"hfc-body\"\u003e\n\n      \u003cdiv class=\"hfc-kicker\"\u003e\n        FAQ\n      \u003c\/div\u003e\n\n      \u003ch2 class=\"hfc-heading hfc-shimmer-light\"\u003e\n        Quick Answers Before You Add It To The Filter.\n      \u003c\/h2\u003e\n\n\n      \u003cdiv class=\"hfc-faq\"\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            What does the activated carbon help with?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            Activated carbon is commonly used\n            as chemical filtration media\n            to help adsorb dissolved compounds\n            associated with aquarium odors\n            and water discoloration.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Does this replace my whole aquarium filter?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            No.\n            It is filter media designed\n            to be used inside\n            a compatible aquarium\n            filtration system.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Can I use it in a freshwater aquarium?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            Yes.\n            The current product information\n            lists freshwater aquarium use.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Can I use it in saltwater?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            Yes.\n            The current product information\n            also lists compatible\n            saltwater filtration applications.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Should I put it directly on the tank floor?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            No.\n            It is most useful\n            when placed inside an active\n            filter chamber or media path\n            where water moves through the cube.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Should I rinse it before use?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            Yes.\n            Rinse loose surface debris\n            or carbon dust\n            with clean water\n            before placing it\n            in the filtration system.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Can activated carbon be used forever?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            No.\n            Activated carbon gradually loses\n            adsorption capacity\n            and should be replaced\n            as needed during routine\n            aquarium maintenance.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n        \u003cdetails\u003e\n\n          \u003csummary\u003e\n            Which size should I choose?\n          \u003c\/summary\u003e\n\n          \u003cdiv class=\"hfc-answer\"\u003e\n            Measure your filter media compartment.\n            Medium is approximately\n            10 × 10 × 5 cm,\n            while Large is approximately\n            10 × 10 × 10 cm.\n          \u003c\/div\u003e\n\n        \u003c\/details\u003e\n\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c!-- CTA --\u003e\n\n\u003csection class=\"hfc-section\"\u003e\n\n  \u003cdiv class=\"hfc-card hfc-dark hfc-cta\"\u003e\n\n    \u003cdiv class=\"hfc-kicker\"\u003e\n      Upgrade The Media Inside Your Filter\n    \u003c\/div\u003e\n\n    \u003ch2 class=\"hfc-title hfc-shimmer-dark\"\u003e\n      Give Aquarium Water One More Filtration Stage Before It Circulates Back.\n    \u003c\/h2\u003e\n\n    \u003cp class=\"hfc-copy hfc-lead\"\u003e\n      Catch visible debris.\n      Add activated-carbon filtration.\n      Keep water moving through\n      one compact honeycomb cube\n      inside your existing filtration setup.\n    \u003c\/p\u003e\n\n\n    \u003ca class=\"hfc-btn\" href=\"https:\/\/harikarionthebeat.com\/products\/activated-carbon-honeycomb-aquarium-filter-cube\"\u003e\n\n      Choose Medium Or Large\n\n    \u003c\/a\u003e\n\n\n    \u003cul class=\"hfc-tags\"\u003e\n\n      \u003cli\u003e\n        Activated Carbon\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Filter Cotton\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        Honeycomb Core\n      \u003c\/li\u003e\n\n      \u003cli\u003e\n        M \/ L Sizes\n      \u003c\/li\u003e\n\n    \u003c\/ul\u003e\n\n\n  \u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HSY","offers":[{"title":"M(10*10* 5cm)","offer_id":54775424811283,"sku":"NC02232609225795- 小号加过滤棉","price":14.99,"currency_code":"USD","in_stock":true},{"title":"L(10*10*10cm)","offer_id":54775424844051,"sku":"NC02232609225795-大号加过滤棉","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/9368\/3219\/files\/spp_20250226171819_22c782da81e2039f97c016acfd00d146_5fdddd23-b7b4-480d-84f9-6c8133d5be91.jpg?v=1790046369","url":"https:\/\/harikarionthebeat.com\/products\/activated-carbon-honeycomb-aquarium-filter-cube","provider":"harikarionthebeat","version":"1.0","type":"link"}