{"title":"Aquarium \u0026 Marine","description":"\u003cp\u003eMarine-safe PETG 3D printed accessories for reef and aquarium enthusiasts — including bio-ball holders, PAR sensor mounts, and bio block holders. Built to be safe for your tank inhabitants.\u003c\/p\u003e","products":[{"product_id":"maxspect-compatible-marine-safe-petg-bio-block-holder-for-2-blocks-3d-printed","title":"Maxspect Compatible Marine-Safe PETG Bio Block Holder for 2 Blocks - 3D Printed","description":"\u003ch2\u003eKeep Your Filtration Tidy, Your Tank Thriving\u003c\/h2\u003e\u003cp\u003eA clean, well-organised sump is a happy sump. Our \u003cstrong\u003eMarine-Safe PETG Bio Block Holder\u003c\/strong\u003e is designed to fit Maxspect bio blocks perfectly, keeping two blocks securely in place and allowing maximum water flow through your filtration media. Printed in food-grade PETG — the only sensible choice for anything going near your livestock.\u003c\/p\u003e\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxspect Compatible\u003c\/strong\u003e — Designed specifically to hold 2 Maxspect bio blocks securely with no rattling or shifting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Safe PETG\u003c\/strong\u003e — Printed in food-grade, reef-safe PETG plastic that won't leach chemicals or harm your livestock, corals, or water chemistry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimised for Flow\u003c\/strong\u003e — Open lattice design ensures water flows freely through and around your bio media for maximum biological filtration efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Neat\u003c\/strong\u003e — Keeps your sump or filter chamber tidy and your bio blocks exactly where you want them\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the UK\u003c\/strong\u003e — 3D printed to order by S\u0026amp;K 3D Printing Ltd, built for reef keepers who take their water quality seriously\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerfect For\u003c\/h2\u003e\u003cp\u003eWhether you're running a nano reef, a mixed coral system, or a fish-only setup — if you're using Maxspect bio blocks, this holder is the finishing touch your sump deserves.\u003c\/p\u003e\u003cp\u003eBrowse our full range of \u003cstrong\u003eAquarium \u0026amp; Marine accessories\u003c\/strong\u003e for more reef-safe, 3D printed solutions for your tank.\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrinted to order in the UK — because your reef deserves the best.\u003c\/em\u003e\u003c\/p\u003e","brand":"S\u0026K 3D Printing Ltd","offers":[{"title":"Default Title","offer_id":58439150469451,"sku":null,"price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1082\/9339\/0667\/files\/5766D0D1-89DD-4BAB-8A75-26A03D5C5B98.png?v=1789061892"},{"product_id":"maxspect-mantis-bio-sphere-bio-ball-holder-4x3-pegs-marine-safe-petg-3d-printed","title":"Maxspect \/ Mantis Bio-Sphere Bio-Ball Holder (4x3 Pegs) - Marine Safe PETG 3D Printed","description":"\u003ch2\u003eYour Bio Media, Organised \u0026amp; Optimised\u003c\/h2\u003e\u003cp\u003eStop letting your bio-spheres and bio-balls roll around your sump doing half a job. Our \u003cstrong\u003eMarine-Safe PETG Bio-Ball Holder\u003c\/strong\u003e is purpose-built for Maxspect and Mantis bio-spheres, with a 4x3 peg grid that holds 12 pieces securely in place while maximising water contact and biological filtration surface area.\u003c\/p\u003e\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxspect \u0026amp; Mantis Compatible\u003c\/strong\u003e — Designed to a precise 4x3 peg layout to seat bio-spheres and bio-balls firmly with no movement or stacking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Safe PETG\u003c\/strong\u003e — Printed in food-grade, reef-safe PETG that won’t leach harmful chemicals or affect your water parameters, corals, or livestock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Flow-Through Design\u003c\/strong\u003e — Open peg structure promotes unrestricted water flow around every piece of media for peak biological filtration efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps Your Sump Tidy\u003c\/strong\u003e — No more loose media migrating around your filter chamber — everything stays exactly where it should\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the UK\u003c\/strong\u003e — 3D printed to order by S\u0026amp;K 3D Printing Ltd, crafted for reef keepers who demand precision\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho Is It For?\u003c\/h2\u003e\u003cp\u003eWhether you're running a dedicated reef system, an SPS tank, or a high-bioload FOWLR setup — if you're using Maxspect or Mantis bio-spheres, this holder will bring order to your biological filtration and help it perform at its best.\u003c\/p\u003e\u003cp\u003ePair it with our \u003cstrong\u003eMaxspect Bio Block Holder\u003c\/strong\u003e for a fully organised, high-performance sump setup.\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrinted to order in the UK — because your reef deserves precision engineering.\u003c\/em\u003e\u003c\/p\u003e","brand":"S\u0026K 3D Printing Ltd","offers":[{"title":"Default Title","offer_id":58439181631819,"sku":null,"price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1082\/9339\/0667\/files\/5D0BAEB3-ECAB-4B9E-8D62-A297AEF8D01C.png?v=1789061764"},{"product_id":"maxspect-mantis-bio-sphere-bio-ball-holder-3x3-pegs-marine-safe-petg-3d-printed","title":"Maxspect \/ Mantis Bio-Sphere Bio-Ball Holder (3x3 Pegs) - Marine Safe PETG 3D Printed","description":"\u003ch2\u003eCompact Filtration, Zero Compromise\u003c\/h2\u003e\u003cp\u003ePerfect for smaller sumps, nano setups, or wherever space is at a premium — our \u003cstrong\u003e3x3 Marine-Safe PETG Bio-Ball Holder\u003c\/strong\u003e holds 9 Maxspect or Mantis bio-spheres securely in place, keeping your biological filtration working hard and your filter chamber looking clean.\u003c\/p\u003e\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxspect \u0026amp; Mantis Compatible\u003c\/strong\u003e — Precision 3x3 peg layout designed to seat bio-spheres and bio-balls snugly with no shifting or stacking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine-Safe PETG\u003c\/strong\u003e — Printed in food-grade, reef-safe PETG that won’t leach chemicals or affect your water parameters, corals, or livestock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow-Optimised Design\u003c\/strong\u003e — Open peg structure allows unrestricted water flow around all 9 pieces of media for maximum biological efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Footprint\u003c\/strong\u003e — The 3x3 layout is ideal for nano reefs, smaller sumps, or when you want to run multiple holders side by side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the UK\u003c\/strong\u003e — 3D printed to order by S\u0026amp;K 3D Printing Ltd with reef keepers in mind\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eMix \u0026amp; Match Your Setup\u003c\/h2\u003e\u003cp\u003eRunning a larger system? Combine multiple 3x3 holders to fill your filter chamber exactly as you need, or pair with our \u003cstrong\u003e4x3 Bio-Ball Holder\u003c\/strong\u003e and \u003cstrong\u003eBio Block Holder\u003c\/strong\u003e for a fully customised, high-performance sump.\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrinted to order in the UK — small footprint, big results.\u003c\/em\u003e\u003c\/p\u003e","brand":"S\u0026K 3D Printing Ltd","offers":[{"title":"Default Title","offer_id":58439208796491,"sku":null,"price":8.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1082\/9339\/0667\/files\/07572378-AC48-40AB-9F7F-C6936E2F39B6.png?v=1789061587"},{"product_id":"dancing-skeleton-aquarium-aerating-ornament-bubbling-fish-tank-decoration-gift","title":"Dancing Skeleton Aquarium Aerating Ornament - Bubbling Fish Tank Decoration \u0026 Gift","description":"\u003ch2\u003eThe Life of the Party — Even Underwater\u003c\/h2\u003e\n\u003cp\u003eWho says aquarium decorations have to be boring? Meet our \u003cstrong\u003eDancing Skeleton Aquarium Ornament\u003c\/strong\u003e — a brilliantly characterful bubbling decoration that brings personality, movement, and a touch of the macabre to your fish tank. Connect it to your air pump, watch it come to life, and enjoy the most entertaining thing in the room (your fish included).\u003c\/p\u003e\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerating Design\u003c\/strong\u003e — Connect to any standard aquarium air pump via airline tubing and the rising bubbles animate the skeleton with a lively dancing motion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull of Character\u003c\/strong\u003e — Detailed skeleton figure with expressive posing that looks brilliant in freshwater and tropical tank setups\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Set Up\u003c\/strong\u003e — Simply place in your tank, attach your airline, and let the bubbles do the rest — no tools, no fuss (Airline not included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Safe\u003c\/strong\u003e — Made from fish-safe materials that won’t harm your livestock or affect your water parameters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Printed in the UK\u003c\/strong\u003e — Designed and produced by S\u0026amp;K 3D Printing Ltd for aquarium hobbyists who like a bit of fun in their tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Perfect Gift\u003c\/h2\u003e\n\u003cp\u003eWhether it’s for a Halloween-loving fish keeper, a teenager with their first tank, or anyone who appreciates a decoration that actually does something — the Dancing Skeleton ornament is a gift that genuinely surprises and delights.\u003c\/p\u003e\n\u003cp\u003eBrowse our full \u003cstrong\u003eAquarium \u0026amp; Marine\u003c\/strong\u003e collection for more unique, 3D printed tank accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePrinted to order in the UK — because even your fish deserve a good time.\u003c\/em\u003e\u003c\/p\u003e","brand":"S\u0026K 3D Printing Ltd","offers":[{"title":"Default Title","offer_id":58439283016011,"sku":null,"price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1082\/9339\/0667\/files\/skel1.webp?v=1789056762"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1082\/9339\/0667\/collections\/image_4cceb359-2704-4a2a-af2c-83be57d0cd92.png?v=1788980364","url":"https:\/\/sk3dprintingltd.com\/collections\/aquarium-marine.oembed","provider":"S\u0026K 3D Printing Ltd","version":"1.0","type":"link"}