{"title":"Copepod hotels and Maxspect media holders","description":"\u003cp\u003eHolders for Maxspect Nano Tech bio spheres, each with a copepod hotel built in: the bio sphere holder takes 1kg of bio spheres and keeps flow moving through them while giving copepods and amphipods a safe place to multiply. There are also holders for 2 bio blocks and for 2 anaerobic blocks. All 3 are designed and 3D printed by Harry in 5 colours, and the media is not included. Pick the holder that matches the media you already own, and check the dimensions on each page. These are independent accessories, not made or endorsed by Maxspect.\u003c\/p\u003e","products":[{"product_id":"maxspect-bio-sphere-holder-pod-hotel","title":"Maxspect bio sphere holder and copepod hotel V2, holds 1kg","description":"\u003cp\u003eThis holder is built around 1kg of Maxspect Nano Tech bio spheres. The spheres sit in an open frame so water moves through all of them, and a copepod hotel fills the space underneath.\u003c\/p\u003e\n\u003ch2\u003eWhat holds Maxspect Nano Tech bio spheres?\u003c\/h2\u003e\n\u003cp\u003eThis holder does, up to 1kg. Of our 3 Maxspect holders it is the only one designed around spheres rather than blocks, so if your media is spheres, this is the version to choose.\u003c\/p\u003e\n\u003cp\u003eThe spheres are not included. You buy them separately.\u003c\/p\u003e\n\u003ch2\u003eHow do the flow and the pod hotel work together?\u003c\/h2\u003e\n\u003cp\u003eThe frame is open, so water passes through the spheres instead of around them. Underneath is the pod hotel, a sheltered space where copepods and amphipods can multiply away from fish.\u003c\/p\u003e\n\u003cp\u003eOnce a population is established, those pods may feed on bacteria and detritus from the spheres above. That is why we treat the holder and the media as a pair.\u003c\/p\u003e\n\u003ch2\u003eHow tall is the bio sphere holder?\u003c\/h2\u003e\n\u003cp\u003eIt is 83mm by 83mm and 191.5mm high without the spheres loaded. That makes it the tallest of the 3, so measure the height you have before you order.\u003c\/p\u003e\n\u003ch2\u003eWhich colours does it come in?\u003c\/h2\u003e\n\u003cp\u003eThere are 5 to pick from: Midnight Black, Scarlet Red, Aqua Green, Clown Orange and Regal Blue. The photos also show a black and orange Special Edition finish.\u003c\/p\u003e\n\u003ch2\u003eIs it made by Maxspect?\u003c\/h2\u003e\n\u003cp\u003eMaxspect and Nano Tech are the names of another company's products. This holder is an independent accessory, designed and 3D printed by Marine Spec, and it is not made or endorsed by Maxspect.\u003c\/p\u003e\n\u003ch2\u003eStarting a pod population\u003c\/h2\u003e\n\u003cp\u003eNew to pod hotels? Read \u003ca href=\"\/blogs\/guides\/do-copepod-hotels-work\"\u003edo copepod hotels work\u003c\/a\u003e, then \u003ca href=\"\/blogs\/guides\/maxspect-bio-spheres-holder-sump\"\u003eMaxspect bio spheres and holders in a sump\u003c\/a\u003e. To seed the hotel we sell \u003ca href=\"\/products\/live-marine-copepods\"\u003elive marine copepods\u003c\/a\u003e and the \u003ca href=\"\/products\/live-nannochloropsis-phytoplankton\"\u003elive nannochloropsis phytoplankton\u003c\/a\u003e they are fed on.\u003c\/p\u003e\n\u003cp\u003eThe other 2 holders are the \u003ca href=\"\/products\/maxspect-bio-block-holder-pod-hotel\"\u003ebio block holder\u003c\/a\u003e and the \u003ca href=\"\/products\/maxspect-anaerobic-block-holder-pod-hotel\"\u003eanaerobic block holder\u003c\/a\u003e. All 3 sit in the \u003ca href=\"\/collections\/pod-hotels\"\u003epod hotels collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"Marine Spec","offers":[{"title":"Midnight Black","offer_id":59905994228057,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true},{"title":"Scarlet Red","offer_id":59905994260825,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true},{"title":"Aqua Green","offer_id":59905994293593,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true},{"title":"Clown Orange","offer_id":59905994326361,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true},{"title":"Regal Blue","offer_id":59905994359129,"sku":null,"price":23.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7462\/0505\/files\/ac00ac_fc973f22ca4a4432b8627f281eaf9c19.png?v=1792090236"},{"product_id":"maxspect-bio-block-holder-pod-hotel","title":"Maxspect bio block holder and pod hotel V2, holds 2 blocks","description":"\u003cp\u003eAt 36mm tall, this is the low, wide holder in our Maxspect range. It carries 2 Nano Tech bio blocks and leaves the space around them open to flow.\u003c\/p\u003e\n\u003ch2\u003eWhich holder fits Maxspect Nano Tech bio blocks?\u003c\/h2\u003e\n\u003cp\u003eThis one, with room for 2 blocks. The blocks are not included, so you buy them separately. If your media is spheres or anaerobic blocks, one of our other 2 holders is the better match.\u003c\/p\u003e\n\u003ch2\u003eHow big is the bio block holder?\u003c\/h2\u003e\n\u003cp\u003eWithout blocks it is 109mm long, 63mm wide and 36mm high. That low, wide shape takes far less height than the sphere holder, which stands 191.5mm, so it can go where a tall holder cannot.\u003c\/p\u003e\n\u003ch2\u003eCan pods really live in it?\u003c\/h2\u003e\n\u003cp\u003eThe holder gives copepods and amphipods a sheltered space while water flows through the blocks. We cannot promise a population in your tank. Once one is established, pods may feed on the bacteria and detritus that live in the blocks.\u003c\/p\u003e\n\u003ch2\u003eWhich colours can I choose?\u003c\/h2\u003e\n\u003cp\u003eThe same 5 as the other 2 holders. Each has its own photo on this page, and the gallery adds a black and orange Special Edition plus a group shot of 3 colours together.\u003c\/p\u003e\n\u003ch2\u003eIs it a Maxspect product?\u003c\/h2\u003e\n\u003cp\u003eNo. Maxspect and Nano Tech are another company's names, used here only to show which blocks fit. We design and 3D print this holder ourselves, and Maxspect does not make or endorse it.\u003c\/p\u003e\n\u003ch2\u003eWhere to go next\u003c\/h2\u003e\n\u003cp\u003eIf you are weighing up pod hotels, \u003ca href=\"\/blogs\/guides\/do-copepod-hotels-work\"\u003edo copepod hotels work\u003c\/a\u003e is the place to start. To get a population going, add \u003ca href=\"\/products\/live-marine-copepods\"\u003elive marine copepods\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eRunning spheres or anaerobic blocks instead? See the \u003ca href=\"\/products\/maxspect-bio-sphere-holder-pod-hotel\"\u003ebio sphere holder\u003c\/a\u003e and the \u003ca href=\"\/products\/maxspect-anaerobic-block-holder-pod-hotel\"\u003eanaerobic block holder\u003c\/a\u003e, or browse the whole \u003ca href=\"\/collections\/pod-hotels\"\u003epod hotels collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"Marine Spec","offers":[{"title":"Midnight Black","offer_id":59905994457433,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Scarlet Red","offer_id":59905994490201,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Aqua Green","offer_id":59905994522969,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Clown Orange","offer_id":59905994555737,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true},{"title":"Regal Blue","offer_id":59905994588505,"sku":null,"price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7462\/0505\/files\/ac00ac_adbc1a3044214bf0ab5ba98a246d3016.png?v=1792090236"},{"product_id":"maxspect-anaerobic-block-holder-pod-hotel","title":"Maxspect anaerobic block holder and pod hotel V2, holds 2","description":"\u003cp\u003eThis is the slim one. It holds 2 Maxspect Nano Tech anaerobic blocks in the slimmest frame of our 3 Maxspect holders, with flow through the blocks and a safe place for copepods below.\u003c\/p\u003e\n\u003ch2\u003eIs there a holder for Maxspect Nano Tech anaerobic blocks?\u003c\/h2\u003e\n\u003cp\u003eYes, this one, made for 2 anaerobic blocks. If anaerobic blocks are your media, this is the holder to pick. The blocks are not included, so buy them separately.\u003c\/p\u003e\n\u003ch2\u003eHow big is the frame?\u003c\/h2\u003e\n\u003cp\u003eThe frame is 105mm long and 27.5mm high. That is the slimmest of our 3 Maxspect holders, and lower than even the bio block holder, which stands 36mm.\u003c\/p\u003e\n\u003cp\u003eWant the exact width before you order? Message Harry on WhatsApp and ask.\u003c\/p\u003e\n\u003ch2\u003eWill copepods breed in it?\u003c\/h2\u003e\n\u003cp\u003eThe design includes a sheltered space for amphipods and copepods, away from fish. We cannot promise it will work in your tank. Where a colony does build up, the pods may graze on the bacteria and detritus in the blocks.\u003c\/p\u003e\n\u003ch2\u003eColours and photos\u003c\/h2\u003e\n\u003cp\u003eThere are 5 colours, the same as our other Maxspect holders. The photos show the holder with 2 blocks resting on top, so you can see how they sit.\u003c\/p\u003e\n\u003ch2\u003eWho makes it?\u003c\/h2\u003e\n\u003cp\u003eMaxspect Nano Tech blocks are sold by Maxspect, not by us. The holder is our own design, 3D printed by Marine Spec as an independent accessory, and Maxspect has not made or endorsed it.\u003c\/p\u003e\n\u003ch2\u003eRelated reading and products\u003c\/h2\u003e\n\u003cp\u003eTo see how a pod hotel fits into a reef, read \u003ca href=\"\/blogs\/guides\/do-copepod-hotels-work\"\u003edo copepod hotels work\u003c\/a\u003e. For the media side, \u003ca href=\"\/blogs\/guides\/maxspect-bio-spheres-holder-sump\"\u003eMaxspect bio spheres and holders in a sump\u003c\/a\u003e is also worth a read.\u003c\/p\u003e\n\u003cp\u003ePods to start with are in \u003ca href=\"\/products\/live-marine-copepods\"\u003elive marine copepods\u003c\/a\u003e. The other holders are the \u003ca href=\"\/products\/maxspect-bio-block-holder-pod-hotel\"\u003ebio block holder\u003c\/a\u003e and the \u003ca href=\"\/products\/maxspect-bio-sphere-holder-pod-hotel\"\u003ebio sphere holder\u003c\/a\u003e, both in the \u003ca href=\"\/collections\/pod-hotels\"\u003epod hotels collection\u003c\/a\u003e.\u003c\/p\u003e","brand":"Marine Spec","offers":[{"title":"Midnight Black","offer_id":59905994654041,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true},{"title":"Scarlet Red","offer_id":59905994686809,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true},{"title":"Aqua Green","offer_id":59905994719577,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true},{"title":"Clown Orange","offer_id":59905994752345,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true},{"title":"Regal Blue","offer_id":59905994785113,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7462\/0505\/files\/ac00ac_62c059e40cba488aa2e9fc405550451f_1f427f85-c1fa-4a6d-8e8e-4ed259ab1964.png?v=1792090239"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7462\/0505\/collections\/ac00ac_fc973f22ca4a4432b8627f281eaf9c19_mv2.jpg?v=1792018362","url":"https:\/\/marine-spec.co.uk\/collections\/pod-hotels.oembed","provider":"Marine Spec","version":"1.0","type":"link"}