{"product_id":"magnetic-nori-feeder","title":"Magnetic nori feeder for tangs, Standard or Strong magnet","description":"\u003ch2\u003eDoes a magnetic nori feeder stop nori floating around the tank?\u003c\/h2\u003e\n\u003cp\u003eIt helps. With the tray closed, a feeding grid holds the algae in place and fish graze through the openings. That helps stop large pieces breaking free and drifting about the aquarium.\u003c\/p\u003e\n\u003ch2\u003eHow do I load it?\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSlide the tray open.\u003c\/li\u003e\n\u003cli\u003ePlace the nori inside.\u003c\/li\u003e\n\u003cli\u003eClose the tray.\u003c\/li\u003e\n\u003cli\u003ePut the feeder back in the aquarium.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eWhat can I put in it besides nori?\u003c\/h2\u003e\n\u003cp\u003eSheets of nori or other algae based foods, for herbivorous marine fish such as tangs. How often to offer it is a separate question, and we cover it in \u003ca href=\"\/blogs\/guides\/how-often-to-feed-nori-to-tangs\"\u003ehow often to feed nori to tangs\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWeighing it against a simple clip? Read \u003ca href=\"\/blogs\/guides\/nori-clip-vs-nori-feeder\"\u003enori clip vs nori feeder\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat glass thickness does it hold on to?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMagnet\u003c\/th\u003e\n\u003cth\u003eSuits glass up to\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrong\u003c\/td\u003e\n\u003ctd\u003e19mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe feeder is not rated for glass thicker than 19mm. Our guide helps you work out \u003ca href=\"\/blogs\/guides\/which-magnet-strength-for-your-glass\"\u003ewhich magnet strength suits your glass\u003c\/a\u003e. At 13mm thick, the feeder itself is a slim, flat shape.\u003c\/p\u003e\n\u003ch2\u003eCan the magnet go in saltwater?\u003c\/h2\u003e\n\u003cp\u003eThe magnets are sealed inside bonded plastic, not printed plastic, in a housing that is permanently welded to make it watertight. That housing is then secured within the printed feeder. Read more in \u003ca href=\"\/blogs\/guides\/are-magnets-safe-in-a-reef-tank\"\u003eare magnets safe in a reef tank\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eThe outer magnet is for dry use only and is not waterproof.\u003c\/p\u003e\n\u003ch2\u003eOther magnetic parts to look at\u003c\/h2\u003e\n\u003cp\u003eFeeding a fussy fish? Try the \u003ca href=\"\/products\/magnetic-butterfly-feeder\"\u003emagnetic butterfly feeder\u003c\/a\u003e. Or see every \u003ca href=\"\/collections\/magnetic-feeders\"\u003emagnetic feeder\u003c\/a\u003e and the wider set of \u003ca href=\"\/collections\/magnetic-reef-accessories\"\u003emagnetic reef accessories\u003c\/a\u003e.\u003c\/p\u003e","brand":"Marine Spec","offers":[{"title":"Standard","offer_id":59905993638233,"sku":null,"price":28.99,"currency_code":"GBP","in_stock":true},{"title":"Strong","offer_id":59905993671001,"sku":null,"price":32.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/7462\/0505\/files\/ac00ac_42f46292e3cd4e09a8a4672a3cd48de6.png?v=1792090216","url":"https:\/\/marine-spec.co.uk\/products\/magnetic-nori-feeder","provider":"Marine Spec","version":"1.0","type":"link"}