{"product_id":"spare-parts-extensions-for-caddystack™-modular-filter-tower","title":"Spare Parts \u0026 Extensions for CaddyStack™ - Modular Filter Tower","description":"\u003ch1 data-start=\"498\" data-end=\"563\"\u003e\u003cstrong data-start=\"500\" data-end=\"563\"\u003eCaddyStack™ – Modular Filter Tower Extensions \u0026amp; Spare Parts\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp data-start=\"565\" data-end=\"764\"\u003eThese \u003cstrong data-start=\"571\" data-end=\"618\"\u003eCaddyStack™ Modular Filter Tower Extensions\u003c\/strong\u003e are individual replacement and expansion components designed to work with the \u003cstrong data-start=\"697\" data-end=\"763\"\u003eCaddyStack™ Modular Filter Tower (Filter Sock Replacement Kit)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"766\" data-end=\"871\"\u003eThis product page is intended for reef keepers who \u003cstrong data-start=\"817\" data-end=\"858\"\u003ealready own a CaddyStack™ Starter Kit\u003c\/strong\u003e and want to:\u003c\/p\u003e\n\u003cul data-start=\"872\" data-end=\"1025\"\u003e\n\u003cli data-start=\"872\" data-end=\"897\"\u003e\n\u003cp data-start=\"874\" data-end=\"897\"\u003eReplace a specific part\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"926\"\u003e\n\u003cp data-start=\"900\" data-end=\"926\"\u003eAdd more filtration stages\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"975\"\u003e\n\u003cp data-start=\"929\" data-end=\"975\"\u003eExperiment with different media configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"976\" data-end=\"1025\"\u003e\n\u003cp data-start=\"978\" data-end=\"1025\"\u003e\u003cem\u003e\u003cstrong\u003eBUILD YOUR OWN\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1027\" data-end=\"1282\"\u003e👉 \u003cstrong data-start=\"1030\" data-end=\"1053\"\u003eNew to CaddyStack™?\u003c\/strong\u003e\u003cbr data-start=\"1053\" data-end=\"1056\"\u003eIf you don’t already own a Starter Kit, we strongly recommend starting here:\u003cbr data-start=\"1132\" data-end=\"1135\"\u003e\u003cstrong data-start=\"1135\" data-end=\"1203\"\u003eCaddyStack™ – Modular Filter Tower (Filter Sock Replacement Kit)\u003c\/strong\u003e\u003cbr data-start=\"1203\" data-end=\"1206\"\u003e\u003cem data-start=\"1206\" data-end=\"1282\"\u003e(Starter Kits include all core modules needed to build a complete system.)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"1284\" data-end=\"1287\"\u003e\n\u003ch2 data-start=\"1289\" data-end=\"1320\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1320\"\u003eWhat These Parts Are For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1322\" data-end=\"1473\"\u003eCaddyStack™ Extensions allow you to customize and fine-tune filtration by adding or swapping individual modules instead of replacing your entire setup.\u003c\/p\u003e\n\u003cp data-start=\"1475\" data-end=\"1601\"\u003eEach part twist-locks into existing CaddyStack™ towers and is fully compatible within its size category (\u003cstrong data-start=\"1580\" data-end=\"1599\"\u003e2.75\" \/ 4\" \/ 7\"\u003c\/strong\u003e).\u003c\/p\u003e\n\u003cp data-start=\"1603\" data-end=\"1738\"\u003eThese are \u003cstrong data-start=\"1613\" data-end=\"1650\"\u003enot standalone filtration systems\u003c\/strong\u003e on their own — they are modular building blocks for your existing CaddyStack™ platform.\u003c\/p\u003e\n\u003chr data-start=\"1740\" data-end=\"1743\"\u003e\n\u003ch2 data-section-id=\"p84qz9\" data-start=\"137\" data-end=\"205\"\u003e📏 CADDYSTACK™ EXTENSIONS – EXACT DIMENSIONS (READ BEFORE BUYING)\u003c\/h2\u003e\n\u003cp data-start=\"207\" data-end=\"324\"\u003eThese are \u003cstrong data-start=\"217\" data-end=\"237\"\u003eindividual parts\u003c\/strong\u003e — NOT full kits.\u003cbr data-start=\"254\" data-end=\"257\"\u003eAll components are sized to match your existing CaddyStack™ system.\u003c\/p\u003e\n\u003chr data-start=\"326\" data-end=\"329\"\u003e\n\u003ch3 data-section-id=\"18qlhu5\" data-start=\"331\" data-end=\"361\"\u003e🔹 2.75\" CaddyStack™ Parts\u003c\/h3\u003e\n\u003cp data-start=\"363\" data-end=\"400\"\u003e\u003cstrong data-start=\"363\" data-end=\"394\"\u003eCompatible System Diameter:\u003c\/strong\u003e ~2.5\"\u003c\/p\u003e\n\u003cul data-start=\"402\" data-end=\"675\"\u003e\n\u003cli data-section-id=\"jxxt2n\" data-start=\"402\" data-end=\"449\"\u003eCircle Mount: \u003cstrong data-start=\"418\" data-end=\"449\"\u003e2.56\" diameter × 0.24\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ach8ko\" data-start=\"450\" data-end=\"495\"\u003eShort Tube: \u003cstrong data-start=\"464\" data-end=\"495\"\u003e2.48\" diameter × 1.26\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mxayy6\" data-start=\"496\" data-end=\"541\"\u003eShort Cage: \u003cstrong data-start=\"510\" data-end=\"541\"\u003e2.48\" diameter × 1.26\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17lm7tt\" data-start=\"542\" data-end=\"586\"\u003eTall Tube: \u003cstrong data-start=\"555\" data-end=\"586\"\u003e2.48\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i6a7nl\" data-start=\"587\" data-end=\"630\"\u003eTall Cup: \u003cstrong data-start=\"599\" data-end=\"630\"\u003e2.48\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mwzhif\" data-start=\"631\" data-end=\"675\"\u003eTall Cage: \u003cstrong data-start=\"644\" data-end=\"675\"\u003e2.48\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"677\" data-end=\"680\"\u003e\n\u003ch3 data-section-id=\"9nefyf\" data-start=\"682\" data-end=\"709\"\u003e🔹 4\" CaddyStack™ Parts\u003c\/h3\u003e\n\u003cp data-start=\"711\" data-end=\"746\"\u003e\u003cstrong data-start=\"711\" data-end=\"742\"\u003eCompatible System Diameter:\u003c\/strong\u003e ~4\"\u003c\/p\u003e\n\u003cul data-start=\"748\" data-end=\"1021\"\u003e\n\u003cli data-section-id=\"1kaf8lm\" data-start=\"748\" data-end=\"795\"\u003eCircle Mount: \u003cstrong data-start=\"764\" data-end=\"795\"\u003e4.04\" diameter × 0.31\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gbumuf\" data-start=\"796\" data-end=\"841\"\u003eShort Tube: \u003cstrong data-start=\"810\" data-end=\"841\"\u003e3.46\" diameter × 1.26\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wwtxsx\" data-start=\"842\" data-end=\"887\"\u003eShort Cage: \u003cstrong data-start=\"856\" data-end=\"887\"\u003e3.46\" diameter × 1.26\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m92gf8\" data-start=\"888\" data-end=\"932\"\u003eTall Tube: \u003cstrong data-start=\"901\" data-end=\"932\"\u003e3.46\" diameter × 3.31\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1twiimc\" data-start=\"933\" data-end=\"976\"\u003eTall Cup: \u003cstrong data-start=\"945\" data-end=\"976\"\u003e3.46\" diameter × 3.31\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mxtote\" data-start=\"977\" data-end=\"1021\"\u003eTall Cage: \u003cstrong data-start=\"990\" data-end=\"1021\"\u003e3.46\" diameter × 3.31\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1023\" data-end=\"1026\"\u003e\n\u003ch3 data-section-id=\"1gkei3o\" data-start=\"1028\" data-end=\"1055\"\u003e🔹 7\" CaddyStack™ Parts\u003c\/h3\u003e\n\u003cp data-start=\"1057\" data-end=\"1092\"\u003e\u003cstrong data-start=\"1057\" data-end=\"1088\"\u003eCompatible System Diameter:\u003c\/strong\u003e ~7\"\u003c\/p\u003e\n\u003cul data-start=\"1094\" data-end=\"1318\"\u003e\n\u003cli data-section-id=\"b33iv8\" data-start=\"1094\" data-end=\"1138\"\u003eCircle Mount: \u003cstrong data-start=\"1110\" data-end=\"1138\"\u003e7\" diameter × 0.63\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"alt0dh\" data-start=\"1139\" data-end=\"1184\"\u003eShort Tube: \u003cstrong data-start=\"1153\" data-end=\"1184\"\u003e6.30\" diameter × 1.46\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"eb8ai2\" data-start=\"1185\" data-end=\"1229\"\u003eTall Tube: \u003cstrong data-start=\"1198\" data-end=\"1229\"\u003e6.30\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14d6b4a\" data-start=\"1230\" data-end=\"1273\"\u003eTall Cup: \u003cstrong data-start=\"1242\" data-end=\"1273\"\u003e6.30\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j8xyzw\" data-start=\"1274\" data-end=\"1318\"\u003eTall Cage: \u003cstrong data-start=\"1287\" data-end=\"1318\"\u003e6.30\" diameter × 3.19\" tall\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1320\" data-end=\"1323\"\u003e\n\u003ch3 data-section-id=\"1t0kn7z\" data-start=\"1325\" data-end=\"1341\"\u003e⚠️ IMPORTANT\u003c\/h3\u003e\n\u003cul data-start=\"1343\" data-end=\"1564\"\u003e\n\u003cli data-section-id=\"are6vn\" data-start=\"1343\" data-end=\"1387\"\u003eThese parts are \u003cstrong data-start=\"1361\" data-end=\"1387\"\u003eNOT standalone systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bly7kj\" data-start=\"1388\" data-end=\"1440\"\u003eYou \u003cstrong data-start=\"1394\" data-end=\"1440\"\u003emust already own a CaddyStack™ Starter Kit\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"bdycv3\" data-start=\"1441\" data-end=\"1515\"\u003eAll parts only connect within the \u003cstrong data-start=\"1477\" data-end=\"1515\"\u003esame size system (2.75\" \/ 4\" \/ 7\")\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b9atvh\" data-start=\"1516\" data-end=\"1564\"\u003eMount must match your filter sock opening size\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1566\" data-end=\"1569\"\u003e\n\u003ch2 data-section-id=\"op1wcr\" data-start=\"1571\" data-end=\"1633\"\u003eCaddyStack™ – Modular Filter Tower Extensions \u0026amp; Spare Parts\u003c\/h2\u003e\n\u003cp data-start=\"1635\" data-end=\"1868\"\u003eThese CaddyStack™ Modular Filter Tower Extensions are \u003cstrong data-start=\"1689\" data-end=\"1740\"\u003eindividual replacement and expansion components\u003c\/strong\u003e designed to work with the CaddyStack™ Modular Filter Tower (Filter Sock Replacement Kit).\u003c\/p\u003e\n\u003cp data-start=\"1870\" data-end=\"1957\"\u003eThis product page is for reef keepers who already own a CaddyStack™ system and want to:\u003c\/p\u003e\n\u003cul data-start=\"1959\" data-end=\"2092\"\u003e\n\u003cli data-section-id=\"1j26jzm\" data-start=\"1959\" data-end=\"1986\"\u003eReplace a specific part\u003c\/li\u003e\n\u003cli data-section-id=\"ajja1f\" data-start=\"1987\" data-end=\"2017\"\u003eAdd more filtration stages\u003c\/li\u003e\n\u003cli data-section-id=\"3qj8ta\" data-start=\"2018\" data-end=\"2060\"\u003eExperiment with different media setups\u003c\/li\u003e\n\u003cli data-section-id=\"4wuqip\" data-start=\"2061\" data-end=\"2092\"\u003eBuild out additional towers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2094\" data-end=\"2097\"\u003e\n\u003ch2 data-section-id=\"12b01ry\" data-start=\"2099\" data-end=\"2124\"\u003e👉 New to CaddyStack™?\u003c\/h2\u003e\n\u003cp data-start=\"2126\" data-end=\"2177\"\u003eIf you don’t already own a Starter Kit, start here:\u003c\/p\u003e\n\u003cp data-start=\"2179\" data-end=\"2247\"\u003e\u003cstrong data-start=\"2179\" data-end=\"2247\"\u003eCaddyStack™ – Modular Filter Tower (Filter Sock Replacement Kit)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2249\" data-end=\"2315\"\u003eStarter Kits include everything needed to build a complete system.\u003c\/p\u003e\n\u003chr data-start=\"2317\" data-end=\"2320\"\u003e\n\u003ch2 data-section-id=\"1xxnsx5\" data-start=\"2322\" data-end=\"2349\"\u003eWhat These Parts Are For\u003c\/h2\u003e\n\u003cp data-start=\"2351\" data-end=\"2467\"\u003eCaddyStack™ Extensions allow you to \u003cstrong data-start=\"2387\" data-end=\"2430\"\u003ecustomize and fine-tune your filtration\u003c\/strong\u003e without replacing your entire setup.\u003c\/p\u003e\n\u003cp data-start=\"2469\" data-end=\"2479\"\u003eEach part:\u003c\/p\u003e\n\u003cul data-start=\"2480\" data-end=\"2619\"\u003e\n\u003cli data-section-id=\"1t8bgd3\" data-start=\"2480\" data-end=\"2516\"\u003eTwist-locks into existing towers\u003c\/li\u003e\n\u003cli data-section-id=\"1cqx9og\" data-start=\"2517\" data-end=\"2565\"\u003eIs fully compatible within its size category\u003c\/li\u003e\n\u003cli data-section-id=\"x5j7pg\" data-start=\"2566\" data-end=\"2619\"\u003eLets you expand or modify your filtration anytime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2621\" data-end=\"2677\"\u003eThese are \u003cstrong data-start=\"2631\" data-end=\"2658\"\u003emodular building blocks\u003c\/strong\u003e, not full systems.\u003c\/p\u003e\n\u003chr data-start=\"2679\" data-end=\"2682\"\u003e\n\u003ch2 data-section-id=\"11gfjje\" data-start=\"2684\" data-end=\"2702\"\u003eAvailable Sizes\u003c\/h2\u003e\n\u003cp data-start=\"2704\" data-end=\"2733\"\u003eSpare parts are available in:\u003c\/p\u003e\n\u003cul data-start=\"2735\" data-end=\"2758\"\u003e\n\u003cli data-section-id=\"l0br04\" data-start=\"2735\" data-end=\"2744\"\u003e2.75\"\u003c\/li\u003e\n\u003cli data-section-id=\"1j2dzge\" data-start=\"2745\" data-end=\"2751\"\u003e4\"\u003c\/li\u003e\n\u003cli data-section-id=\"1j2epgd\" data-start=\"2752\" data-end=\"2758\"\u003e7\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2760\" data-end=\"2828\"\u003eAll modules keep the same height system — only the diameter changes.\u003c\/p\u003e\n\u003chr data-start=\"2830\" data-end=\"2833\"\u003e\n\u003ch2 data-section-id=\"sctkr0\" data-start=\"2835\" data-end=\"2866\"\u003eAvailable Modular Components\u003c\/h2\u003e\n\u003ch3 data-section-id=\"akruwr\" data-start=\"2868\" data-end=\"2888\"\u003eMounting Options\u003c\/h3\u003e\n\u003cp data-start=\"2890\" data-end=\"2906\"\u003e\u003cstrong data-start=\"2890\" data-end=\"2906\"\u003eCircle Mount\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2907\" data-end=\"3048\"\u003e\n\u003cli data-section-id=\"1xhry5m\" data-start=\"2907\" data-end=\"2959\"\u003eDesigned for standard round filter sock openings \u003cstrong\u003e(including WATERBOX)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"179mevm\" data-start=\"2960\" data-end=\"3012\"\u003eCommon in most sump systems\u003c\/li\u003e\n\u003cli data-section-id=\"oq5xh8\" data-start=\"3013\" data-end=\"3048\"\u003eDrops directly in for even flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3050\" data-end=\"3079\"\u003e\u003cstrong data-start=\"3050\" data-end=\"3079\"\u003eSquare Mount (2.75\" Only)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3080\" data-end=\"3228\"\u003e\n\u003cli data-section-id=\"1lsuhx3\" data-start=\"3080\" data-end=\"3119\"\u003eDesigned for flat-edge AIO chambers\u003c\/li\u003e\n\u003cli data-section-id=\"gtym8d\" data-start=\"3120\" data-end=\"3190\"\u003eWorks with systems like:\n\u003cul data-start=\"3149\" data-end=\"3190\"\u003e\n\u003cli data-section-id=\"3ql1k7\" data-start=\"3149\" data-end=\"3160\"\u003eUNS AIO\u003c\/li\u003e\n\u003cli data-section-id=\"xt60v8\" data-start=\"3163\" data-end=\"3173\"\u003eLanden\u003c\/li\u003e\n\u003cli data-section-id=\"1vcj8fy\" data-start=\"3176\" data-end=\"3190\"\u003eHello Reef\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ln2pv1\" data-start=\"3191\" data-end=\"3228\"\u003eDimensions: \u003cstrong data-start=\"3205\" data-end=\"3228\"\u003e2.5\" × 2.5\" × 2.75\"\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3230\" data-end=\"3273\"\u003e\u003cem data-start=\"3230\" data-end=\"3273\"\u003e4\" and 7\" systems use circle mounts only.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"3275\" data-end=\"3278\"\u003e\n\u003ch3 data-section-id=\"1i57dq2\" data-start=\"3280\" data-end=\"3307\"\u003eShort Modules (1\" Tall)\u003c\/h3\u003e\n\u003cp data-start=\"3309\" data-end=\"3330\"\u003e\u003cstrong data-start=\"3309\" data-end=\"3330\"\u003eShort Cage Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3331\" data-end=\"3399\"\u003e\n\u003cli data-section-id=\"11jt9f7\" data-start=\"3331\" data-end=\"3357\"\u003eOpen, high-flow design\u003c\/li\u003e\n\u003cli data-section-id=\"1ugqncw\" data-start=\"3358\" data-end=\"3399\"\u003eIdeal for quick mechanical filtration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3401\" data-end=\"3422\"\u003e\u003cstrong data-start=\"3401\" data-end=\"3422\"\u003eShort Tube Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3423\" data-end=\"3482\"\u003e\n\u003cli data-section-id=\"1vj7mkr\" data-start=\"3423\" data-end=\"3442\"\u003eSolid sidewalls\u003c\/li\u003e\n\u003cli data-section-id=\"ptl7i6\" data-start=\"3443\" data-end=\"3482\"\u003eForces water downward through media\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3484\" data-end=\"3487\"\u003e\n\u003ch3 data-section-id=\"1bsf4v\" data-start=\"3489\" data-end=\"3515\"\u003eTall Modules (3\" Tall)\u003c\/h3\u003e\n\u003cp data-start=\"3517\" data-end=\"3537\"\u003e\u003cstrong data-start=\"3517\" data-end=\"3537\"\u003eTall Cage Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3538\" data-end=\"3622\"\u003e\n\u003cli data-section-id=\"14qzvbj\" data-start=\"3538\" data-end=\"3570\"\u003eOpen design for maximum flow\u003c\/li\u003e\n\u003cli data-section-id=\"w5zkcd\" data-start=\"3571\" data-end=\"3622\"\u003eIdeal for carbon, biomedia, or high-flow setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3624\" data-end=\"3644\"\u003e\u003cstrong data-start=\"3624\" data-end=\"3644\"\u003eTall Tube Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3645\" data-end=\"3739\"\u003e\n\u003cli data-section-id=\"1yctp1u\" data-start=\"3645\" data-end=\"3699\"\u003eForces water through media for better contact time\u003c\/li\u003e\n\u003cli data-section-id=\"1pf8izc\" data-start=\"3700\" data-end=\"3739\"\u003eGreat for layered filtration setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3741\" data-end=\"3760\"\u003e\u003cstrong data-start=\"3741\" data-end=\"3760\"\u003eTall Cup Module\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3761\" data-end=\"3893\"\u003e\n\u003cli data-section-id=\"1kgs1il\" data-start=\"3761\" data-end=\"3800\"\u003eWorks like a traditional filter cup\u003c\/li\u003e\n\u003cli data-section-id=\"13okvhf\" data-start=\"3801\" data-end=\"3893\"\u003eDrop in and fill with:\n\u003cul data-start=\"3828\" data-end=\"3893\"\u003e\n\u003cli data-section-id=\"jakrnx\" data-start=\"3828\" data-end=\"3844\"\u003eFilter floss\u003c\/li\u003e\n\u003cli data-section-id=\"36rij2\" data-start=\"3847\" data-end=\"3855\"\u003ePads\u003c\/li\u003e\n\u003cli data-section-id=\"zpntej\" data-start=\"3858\" data-end=\"3868\"\u003eCarbon\u003c\/li\u003e\n\u003cli data-section-id=\"16zfvja\" data-start=\"3871\" data-end=\"3878\"\u003eGFO\u003c\/li\u003e\n\u003cli data-section-id=\"12doofc\" data-start=\"3881\" data-end=\"3893\"\u003eBiomedia\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3895\" data-end=\"3943\"\u003e\u003cstrong data-start=\"3895\" data-end=\"3908\"\u003eTo clean:\u003c\/strong\u003e replace media — no washing socks\u003c\/p\u003e\n\u003chr data-start=\"3945\" data-end=\"3948\"\u003e\n\u003ch2 data-section-id=\"1h4j5sc\" data-start=\"3950\" data-end=\"3995\"\u003eWhy Buy Extensions Instead of Another Kit?\u003c\/h2\u003e\n\u003cp data-start=\"3997\" data-end=\"4077\"\u003eCaddyStack™ is built as a \u003cstrong data-start=\"4023\" data-end=\"4054\"\u003elong-term filtration system\u003c\/strong\u003e, not a disposable one.\u003c\/p\u003e\n\u003cp data-start=\"4079\" data-end=\"4098\"\u003eExtensions let you:\u003c\/p\u003e\n\u003cul data-start=\"4099\" data-end=\"4230\"\u003e\n\u003cli data-section-id=\"1qvczwk\" data-start=\"4099\" data-end=\"4121\"\u003eReplace worn parts\u003c\/li\u003e\n\u003cli data-section-id=\"2m3g25\" data-start=\"4122\" data-end=\"4157\"\u003eExpand for higher bioload tanks\u003c\/li\u003e\n\u003cli data-section-id=\"1y1uw6g\" data-start=\"4158\" data-end=\"4192\"\u003eFine-tune filtration over time\u003c\/li\u003e\n\u003cli data-section-id=\"13h4ip7\" data-start=\"4193\" data-end=\"4230\"\u003eCustomize flow and media strategy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4232\" data-end=\"4235\"\u003e\n\u003ch2 data-section-id=\"hr9b7k\" data-start=\"4237\" data-end=\"4260\"\u003eExpandable by Design\u003c\/h2\u003e\n\u003cp data-start=\"4262\" data-end=\"4295\"\u003eYour system grows with your reef.\u003c\/p\u003e\n\u003cp data-start=\"4297\" data-end=\"4305\"\u003eYou can:\u003c\/p\u003e\n\u003cul data-start=\"4306\" data-end=\"4383\"\u003e\n\u003cli data-section-id=\"aci6k7\" data-start=\"4306\" data-end=\"4333\"\u003eStack additional towers\u003c\/li\u003e\n\u003cli data-section-id=\"frhq5h\" data-start=\"4334\" data-end=\"4359\"\u003eMix and match modules\u003c\/li\u003e\n\u003cli data-section-id=\"1ppfg50\" data-start=\"4360\" data-end=\"4383\"\u003eReconfigure anytime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4385\" data-end=\"4388\"\u003e\n\u003ch2 data-section-id=\"11rawik\" data-start=\"4390\" data-end=\"4418\"\u003eReef-Safe \u0026amp; Built to Last\u003c\/h2\u003e\n\u003cul data-start=\"4420\" data-end=\"4573\"\u003e\n\u003cli data-section-id=\"1fx9wep\" data-start=\"4420\" data-end=\"4449\"\u003ePrinted in reef-safe PETG\u003c\/li\u003e\n\u003cli data-section-id=\"1qmhm2k\" data-start=\"4450\" data-end=\"4466\"\u003eNo raw metal\u003c\/li\u003e\n\u003cli data-section-id=\"lrrjzy\" data-start=\"4467\" data-end=\"4489\"\u003eNo exposed magnets\u003c\/li\u003e\n\u003cli data-section-id=\"1tldwet\" data-start=\"4490\" data-end=\"4530\"\u003eDesigned for long-term saltwater use\u003c\/li\u003e\n\u003cli data-section-id=\"zwc7ul\" data-start=\"4531\" data-end=\"4573\"\u003eRigid construction that won’t collapse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4575\" data-end=\"4578\"\u003e\n\u003ch2 data-section-id=\"9ghvog\" data-start=\"4580\" data-end=\"4598\"\u003eImportant Notes\u003c\/h2\u003e\n\u003cul data-start=\"4600\" data-end=\"4686\"\u003e\n\u003cli data-section-id=\"1py9pm7\" data-start=\"4600\" data-end=\"4633\"\u003eThese are \u003cstrong data-start=\"4612\" data-end=\"4631\"\u003eextensions only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gs3lvf\" data-start=\"4634\" data-end=\"4663\"\u003eA Starter Kit is required\u003c\/li\u003e\n\u003cli data-section-id=\"80jmrl\" data-start=\"4664\" data-end=\"4686\"\u003eMedia not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4688\" data-end=\"4741\"\u003eDesigned, manufactured, and shipped by Printed Reef\u003c\/p\u003e","brand":"Printed Reef","offers":[{"title":"7\" \/ Circle Mount \/ White","offer_id":46916403232943,"sku":"sku-46513527914671","price":19.99,"currency_code":"USD","in_stock":true},{"title":"7\" \/ Circle Mount \/ Blue","offer_id":46916403265711,"sku":"sku-46513528602799","price":19.99,"currency_code":"USD","in_stock":true},{"title":"7\" \/ Circle Mount \/ Red","offer_id":46916403298479,"sku":"sku-46513529290927","price":19.99,"currency_code":"USD","in_stock":true},{"title":"7\" \/ Circle Mount \/ 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