{"product_id":"frozen-formula-two-100g","title":"Frozen Formula Two 100g","description":"\u003cp\u003e\u003cstrong\u003eAn algae-led frozen cube for grazers that need more than flesh.\u003c\/strong\u003e Ocean Nutrition Frozen Formula Two is a 100 g blister of frozen cubes carrying nori, kelp meal and spirulina alongside mysis shrimp and plankton, at 12.0% crude protein as fed. It is the herbivore and omnivore counterpart to Formula One, aimed at tangs, rabbitfish, pygmy angels and other fish that spend their day picking at surfaces. It also contains garlic, and carries no added colouring.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpirulina, nori and kelp meal\u003c\/strong\u003e — three separate algae sources, which is what grazing fish are looking for and what they cannot get from a flesh-only diet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarlic in the declaration\u003c\/strong\u003e — widely used to encourage reluctant or newly imported grazers to start feeding. It is a palatability ingredient, not a treatment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo added colouring\u003c\/strong\u003e — unlike Formula One, Formula Two contains no cochineal extract. Paprika is present and contributes some colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12.0% crude protein as fed\u003c\/strong\u003e — still a substantial protein level, because most reef grazers are omnivores rather than strict herbivores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow fibre at 0.5% maximum\u003c\/strong\u003e — the algae is present for pigment and micronutrients rather than for bulk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGelatin-bound cube\u003c\/strong\u003e — stays intact in the water column so grazers can pick at it repeatedly instead of chasing a cloud.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeds invertebrates too\u003c\/strong\u003e — Ocean Nutrition lists sea stars, urchins, sea cucumbers, crabs and shrimp among the target animals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eReproduced verbatim from Ocean Nutrition's published declaration, in the manufacturer's own order and spelling. Checked 7 August 2026.\u003c\/p\u003e\n\u003cp\u003eMysis shrimp, plankton, gelatin, salmon eggs, squid, garlic, nori, kelp meal, brine shrimp, yam, lecithin, spirulina, xanthan gum, fish oil, paprika, choline chloride, magnesium sulphate, iron, inositol, a-tocopherol acetate (source of vitamin E) zinc sulphate, manganese sulphate, calcium carbonate, biotin, calcium pantothenate, niacin, sodium selenite, pyridoxine hydrochloride (source of vitamin B6), riboflavin (source of vitamin B2), L-ascorbic acid (source of vitamin C), potassium iodide, vitamin A supplement, citric acid (preservative), folic acid, thiamine mononitrate (source of vitamin B1), menadione sodium bisulfite complex (source of vitamin K3 activity), cobalt carbonate, vitamin B12 supplement.\u003c\/p\u003e\n\u003ch4\u003eAllergen, additive and source notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eContains crustacean (mysis shrimp, brine shrimp), mollusc (squid) and fish (salmon eggs, fish oil) derivatives. Unlike Formula One, it contains no mussels.\u003c\/li\u003e\n\u003cli\u003ePreservative: citric acid. No ethoxyquin, BHA or BHT appears anywhere in the declaration.\u003c\/li\u003e\n\u003cli\u003eNo added colour. Paprika and spirulina contribute natural pigment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGuaranteed analysis\u003c\/h3\u003e\n\u003cp\u003eFigures are as fed, on the frozen product, as published by Ocean Nutrition.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCrude protein (min.)\u003c\/th\u003e\n\u003ctd\u003e12.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrude fat (min.)\u003c\/th\u003e\n\u003ctd\u003e1.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrude fibre (max.)\u003c\/th\u003e\n\u003ctd\u003e0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMoisture (max.)\u003c\/th\u003e\n\u003ctd\u003e84.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAsh (max.)\u003c\/th\u003e\n\u003ctd\u003e2.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhosphorus (min.)\u003c\/th\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA common misreading is that the lower protein figure makes Formula Two a weaker food. It is a different target: grazers fed a high-flesh diet alone tend toward poor colour and gut problems, and the algae fraction is the point of the product.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eFrozen cubes in a blister sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet weight\u003c\/th\u003e\n\u003ctd\u003e100 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiet type\u003c\/th\u003e\n\u003ctd\u003eHerbivore and omnivore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eMarine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of manufacture\u003c\/th\u003e\n\u003ctd\u003eUSA — Ocean Nutrition, Hayward, California, as stated on the manufacturer's own product page (checked 16 August 2026)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeeding frequency\u003c\/th\u003e\n\u003ctd\u003eTwo to three times daily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThawing\u003c\/th\u003e\n\u003ctd\u003eNot recommended by the manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdded colour\u003c\/th\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eKeep frozen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOther pack sizes in the range\u003c\/th\u003e\n\u003ctd\u003e200 g and 907 g cubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003ePick up only, North Lakes store\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFeeding directions\u003c\/h3\u003e\n\u003cp\u003eOcean Nutrition's published directions are to feed two to three times a day, and to feed only the amount the fish will consume in five minutes.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBreak off the cubes you need and return the blister to the freezer straight away.\u003c\/li\u003e\n\u003cli\u003eDrop the cube in frozen. Thawing is not recommended for this product.\u003c\/li\u003e\n\u003cli\u003eRemove uneaten food after the fish have finished.\u003c\/li\u003e\n\u003cli\u003eGrazers feed differently to carnivores — they browse rather than strike. Two smaller feeds suit them better than one large one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eA note on tangs specifically\u003c\/h4\u003e\n\u003cp\u003eTangs and rabbitfish graze more or less continuously in the wild. Two or three cube feeds a day will not fully occupy them, which is why most keepers run a dried algae sheet on a clip between frozen feeds. That combination, rather than more frozen food, is what settles a tang that is picking at coral.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Ocean Nutrition frozen food do I need?\u003c\/h3\u003e\n\u003cp\u003eProtein figures below are as fed, from each product's own published analysis.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFood\u003c\/th\u003e\n\u003cth\u003eCrude protein (as fed)\u003c\/th\u003e\n\u003cth\u003eBuilt for\u003c\/th\u003e\n\u003cth\u003eParticle\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/frozen-formula-one-100g\"\u003eFormula One\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e14.5%\u003c\/td\u003e\n\u003ctd\u003eCarnivorous and omnivorous marine fish\u003c\/td\u003e\n\u003ctd\u003eBound cube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula Two\u003c\/td\u003e\n\u003ctd\u003e12.0%\u003c\/td\u003e\n\u003ctd\u003eHerbivorous and omnivorous grazers\u003c\/td\u003e\n\u003ctd\u003eBound cube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/frozen-krill-pacifica-flat-454g\"\u003eKrill Pacifica\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e12.2%\u003c\/td\u003e\n\u003ctd\u003eLarger fish and crustaceans\u003c\/td\u003e\n\u003ctd\u003eWhole krill, around 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/frozen-mysis-flat-454g\"\u003eMysis\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e11.1%\u003c\/td\u003e\n\u003ctd\u003eSmall-mouthed carnivores and seahorses\u003c\/td\u003e\n\u003ctd\u003eWhole mysis, around 1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/frozen-marine-quintet-100g\"\u003eMarine Quintet\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e9.0%\u003c\/td\u003e\n\u003ctd\u003eMixed communities and varied mouth sizes\u003c\/td\u003e\n\u003ctd\u003eFive-item mix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/frozen-angel-formula-100g\"\u003eAngel Formula\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e11.0%\u003c\/td\u003e\n\u003ctd\u003eSponge-eating angels and butterflies\u003c\/td\u003e\n\u003ctd\u003eBound cube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMost mixed reef tanks run Formula One and Formula Two in rotation rather than choosing between them.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003ch4\u003eSuitable for\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMarine angels, batfish, clownfish, chromis, damsels, parrotfish, pygmy angels, rabbitfish and tangs, as listed by the manufacturer.\u003c\/li\u003e\n\u003cli\u003eSea stars, urchins, sea cucumbers, crabs and shrimp.\u003c\/li\u003e\n\u003cli\u003eNewly imported tangs that have not yet started on prepared food — the garlic content is why many keepers reach for this one first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eNot suitable for\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eObligate piscivores and large predators as a sole diet. They need the higher flesh content of \u003ca href=\"\/products\/frozen-formula-one-100g\"\u003eFormula One\u003c\/a\u003e or whole prey items.\u003c\/li\u003e\n\u003cli\u003eSponge-obligate angelfish and butterflyfish, which need \u003ca href=\"\/products\/frozen-angel-formula-100g\"\u003eAngel Formula\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eSeahorses and pipefish — the cube format and the diet type are both wrong. Use \u003ca href=\"\/products\/frozen-mysis-flat-454g\"\u003efrozen mysis\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFilter-feeding corals and clams. The particle size is far too large.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStorage and cold chain\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep frozen in a domestic freezer, and return the blister as soon as you have taken what you need.\u003c\/li\u003e\n\u003cli\u003eDo not refreeze cubes that have fully thawed. Discard them.\u003c\/li\u003e\n\u003cli\u003ePartial thawing and refreezing softens the binder, and a cube that will not hold together is no longer doing the job a grazer diet needs to do.\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/green-seaweed-green-marine-algae\"\u003eGreen Seaweed\u003c\/a\u003e — dried algae on a clip, the between-feeds grazing that frozen cubes alone cannot provide.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/brown-seaweed-brown-marine-algae\"\u003eBrown Seaweed\u003c\/a\u003e — a second algae type; most tangs show a clear preference for one over the other.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/frozen-formula-one-100g\"\u003eFrozen Formula One 100g\u003c\/a\u003e — the flesh diet, alternated with this one across the week for a mixed community.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/frozen-veggie-favourites-100g\"\u003eFrozen Veggie Favourites 100g\u003c\/a\u003e — a vegetable-led frozen alternative for variety in a heavily stocked grazer tank.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eFrozen foods are a consumable and carry no manufacturer warranty period. Your rights under the Australian Consumer Law apply in full and are in addition to anything stated here, including the guarantee that goods are of acceptable quality and fit for their stated purpose.\u003c\/p\u003e\u003cp\u003eFrozen food is pick up only from our North Lakes store, because a pack that thaws on the way cannot be refrozen.\u003c\/p\u003e\n\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between Formula One and Formula Two?\u003c\/h4\u003e\n\u003cp\u003eFormula Two adds spirulina and garlic, drops the mussels and the cochineal colouring, and sits at 12.0% protein against Formula One's 14.5%. Formula One is the flesh diet for carnivores; Formula Two is the algae-led diet for grazers such as tangs, rabbitfish and pygmy angels.\u003c\/p\u003e\n\u003ch4\u003eDoes the garlic in Formula Two treat whitespot?\u003c\/h4\u003e\n\u003cp\u003eNo. Garlic is included as a palatability ingredient that encourages reluctant fish to feed, and no therapeutic claim is made for it. A fish with whitespot needs an actual treatment protocol, and a well-fed fish is better able to cope while that runs.\u003c\/p\u003e\n\u003ch4\u003eIs Formula Two enough on its own for a tang?\u003c\/h4\u003e\n\u003cp\u003eIt covers the nutritional side, but not the behavioural side. Tangs graze for most of the day, so pair two or three cube feeds with a dried algae sheet on a clip, which is also the standard way to stop a hungry tang harassing corals.\u003c\/p\u003e\n\u003ch4\u003eShould I thaw Formula Two first?\u003c\/h4\u003e\n\u003cp\u003eNo. Ocean Nutrition does not recommend thawing these cubes — they are built to hold their shape through the feeding window, which suits grazers that return to the same piece repeatedly.\u003c\/p\u003e\n\u003ch4\u003eWill Formula Two feed my clean-up crew?\u003c\/h4\u003e\n\u003cp\u003ePartly. Ocean Nutrition lists sea stars, urchins, cucumbers, crabs and shrimp among the target animals, and they will take fragments that reach the substrate. Deliberately overfeeding to reach them is a poor trade, since the nitrate cost lands on the whole tank.\u003c\/p\u003e\n\u003ch4\u003eCan I feed Formula Two in a freshwater tank?\u003c\/h4\u003e\n\u003cp\u003eOcean Nutrition lists this product for marine species. Freshwater herbivores such as plecos and silver dollars will eat it, but a freshwater vegetable diet is the more sensible routine choice for them.\u003c\/p\u003e","brand":"Ocean Nutrition","offers":[{"title":"Default Title","offer_id":55293354279203,"sku":"ON1020035","price":25.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/frozen-formula-two-100g-43505609605411.webp?v=1790235656","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/frozen-formula-two-100g","provider":"Nicks AOT","version":"1.0","type":"link"}