{"product_id":"ocean-nutrition-frozen-rotifers","title":"Ocean Nutrition Frozen Rotifers","description":"\u003cp\u003e\u003cstrong\u003eMicroscopic frozen rotifers sized for larvae and filter feeders.\u003c\/strong\u003e Ocean Nutrition frozen rotifers are whole Brachionus plicatilis, rinsed before flash-freezing and sized at 150–200 microns — small enough for larval fish and shrimp, and for filter feeders that can't manage larger frozen foods.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle ingredient\u003c\/strong\u003e — pure rotifers, nothing else added.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVery small particle size\u003c\/strong\u003e — 150–200 microns, sized for larvae and filter feeders rather than adult fish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich in EPA and DHA\u003c\/strong\u003e — highly unsaturated fatty acids important for larval development.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuoyant\u003c\/strong\u003e — stays in suspension after thawing, keeping it available to filter feeders and slow-swimming larvae for longer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinsed before freezing\u003c\/strong\u003e — reduces the amount of culture water and debris going into your tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eReproduced verbatim from the manufacturer: \u003cstrong\u003ePure rotifers (Brachionus plicatilis).\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOcean Nutrition doesn't publish a guaranteed analysis (crude protein, fat, fibre, moisture, ash) for this product.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eFrozen, whole rotifers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParticle size\u003c\/th\u003e\n\u003ctd\u003e150–200 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e100 g blister\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of manufacture\u003c\/th\u003e\n\u003ctd\u003eBelgium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eKeep frozen at -18°C or below until use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e marine fish and shrimp larvae, small tropical freshwater fish larvae, and filter-feeding invertebrates such as scallops, jellyfish, anemones, nudibranchs and soft corals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e adult fish as a primary food — the particle size is aimed at larvae and filter feeders, and larger fish need a coarser food to feed efficiently.\u003c\/p\u003e\n\u003ch3\u003eThawing and feeding\u003c\/h3\u003e\n\u003ch4\u003eHow do I thaw it?\u003c\/h4\u003e\n\u003cp\u003eThaw a portion in a small amount of tank or aquarium water. Because rotifers are buoyant, gently agitate the thawed portion before dosing so it disperses through the water column rather than settling. Never refreeze thawed food.\u003c\/p\u003e\n\u003ch4\u003eHow often should I feed it?\u003c\/h4\u003e\n\u003cp\u003eFeed small amounts several times a day for larvae and filter feeders, matching natural grazing patterns rather than one large feed. Remove excess to protect water quality in a larval-rearing setup.\u003c\/p\u003e\n\u003ch3\u003eStorage and cold chain\u003c\/h3\u003e\n\u003cp\u003eThis is a frozen product. Transfer it to your freezer immediately on arrival and keep it at -18°C or below. Contact us before ordering if you need certainty on delivery timing for frozen items — local pickup keeps the cold chain most reliable.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cp\u003eRotate with our other Ocean Nutrition frozen lines, stepping up to red plankton or mysis as fry and larvae grow and can manage larger particles.\u003c\/p\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eAs a perishable frozen food, this isn't covered by a manufacturer warranty the way equipment is; your rights under Australian Consumer Law still apply if a pack arrives damaged or not as described. See the storage and cold chain note above for delivery handling.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat's the difference between this and live rotifer cultures?\u003c\/h4\u003e\n\u003cp\u003eFrozen rotifers are a convenient next-best alternative to live rotifer cultures, without the ongoing work of culturing — useful for topping up or bridging gaps in a live culture supply.\u003c\/p\u003e\n\u003ch4\u003eCan filter-feeding corals really eat something this small?\u003c\/h4\u003e\n\u003cp\u003eYes — the 150–200 micron size is specifically aimed at filter feeders such as soft corals, anemones and jellyfish that can't manage larger frozen foods.\u003c\/p\u003e\n\u003ch4\u003eWill rotifers cloud my water?\u003c\/h4\u003e\n\u003cp\u003eDose in small amounts and remove excess after feeding; because the product is pre-rinsed before freezing, it introduces less debris than an unrinsed live culture.\u003c\/p\u003e\n\u003ch4\u003eDo I need to feed rotifers if I already feed baby brine shrimp?\u003c\/h4\u003e\n\u003cp\u003eRotifers suit the earliest larval stages before mouths are large enough for baby brine shrimp, so the two are typically used at different points in a rearing schedule rather than interchangeably.\u003c\/p\u003e","brand":"Ocean Nutrition","offers":[{"title":"Default Title","offer_id":55242214310179,"sku":"BA8429","price":10.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/ROTIFER_4f640b7ea74e3.jpg?v=1782105535","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/ocean-nutrition-frozen-rotifers","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}