{"product_id":"seachem-phytoplankton","title":"Seachem Phytoplankton","description":"\u003cp\u003e\u003cstrong\u003eA blanket-feed phytoplankton blend sized for filter feeders, not just fish.\u003c\/strong\u003e Seachem Reef Phytoplankton is a concentrated mix of marine microalgae — \u003cem\u003eThalassiosira weissflogii\u003c\/em\u003e, \u003cem\u003eIsochrysis\u003c\/em\u003e sp. and \u003cem\u003eNannochloropsis\u003c\/em\u003e — with cell sizes from 1 to 20 microns, spanning the range corals, clams and other filter feeders can actually capture.\u003c\/p\u003e\n\u003cp\u003eIt's dosed into the water column rather than spot-fed to an individual coral, so every filter feeder in the tank gets a pass at it. Shake well before use, and dose with pumps off briefly so the plankton has time to settle within reach before flow scatters it.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-species blend\u003c\/strong\u003e — Thalassiosira weissflogii, Isochrysis sp. and Nannochloropsis, covering a 1–20 micron size range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlanket feed, not target feed\u003c\/strong\u003e — designed to be dosed into the water column for every filter feeder to draw on, not squirted at one coral.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAstaxanthin included\u003c\/strong\u003e — a natural carotenoid included to support colour and act as an antioxidant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple dosing\u003c\/strong\u003e — the bottle cap measures 5 mL, matched to the standard dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo pack sizes\u003c\/strong\u003e — 250 mL and 500 mL, both dosed the same way.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eLiquid concentrate, shake before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecies\u003c\/th\u003e\n\u003ctd\u003eThalassiosira weissflogii, Isochrysis sp., Nannochloropsis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eParticle size\u003c\/th\u003e\n\u003ctd\u003e1–20 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003ctd\u003e5 mL per 190 L, twice weekly or as required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eSaltwater (reef)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eRefrigeration after opening recommended, not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eConcentrated blend of green and brown marine phytoplankton (Thalassiosira weissflogii, Isochrysis sp., Nannochloropsis), sodium chloride, acetic acid, ascorbic acid, citric acid, astaxanthin.\u003c\/p\u003e\n\u003ch3\u003eGuaranteed analysis\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eGuarantee\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrude protein\u003c\/td\u003e\n\u003ctd\u003eMinimum 0.40%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrude fat\u003c\/td\u003e\n\u003ctd\u003eMinimum 0.15%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoisture\u003c\/td\u003e\n\u003ctd\u003eMaximum 96.8%\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\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e a broad range of tropical marine filter feeders and invertebrates — corals, clams, feather dusters and similar planktivores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e target-feeding a single coral head — Seachem's own directions call for blanket feeding into the water column, not spot dosing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDosage and directions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShake well before using.\u003c\/li\u003e\n\u003cli\u003eDose 5 mL (one capful) per 190 L of tank water, twice weekly, or more often if your filter feeders are drawing it down quickly.\u003c\/li\u003e\n\u003cli\u003eFor blanket feeding, dose into an area of flow so it disperses through the tank rather than settling in one spot.\u003c\/li\u003e\n\u003cli\u003eRefrigerate after opening if convenient — not essential, but it helps the concentrate keep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eWatch water clarity and skimmer output after dosing — a heavy hand with any planktonic food can cloud the water or overload a skimmer. Start at the label rate and adjust from there based on how quickly your filter feeders visibly respond.\u003c\/p\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeachem Zooplankton\u003c\/strong\u003e — a complementary feed for filter feeders that take a larger particle size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA protein skimmer rated for your tank volume\u003c\/strong\u003e — to keep pace with the extra organic load from regular plankton dosing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoral and clam supplements\u003c\/strong\u003e — plankton feeding supports growth alongside, not instead of, stable calcium and alkalinity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by Seachem's standard quality guarantee in addition to your rights under Australian Consumer Law. Standard shipping; no cold chain required, though refrigeration after opening is recommended.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eCan I target-feed a specific coral with this?\u003c\/h4\u003e\n\u003cp\u003eSeachem's own directions call for blanket feeding into the water column rather than spot-dosing one coral — it's formulated for every filter feeder in the tank to draw on.\u003c\/p\u003e\n\u003ch4\u003eHow often should I dose Reef Phytoplankton?\u003c\/h4\u003e\n\u003cp\u003eTwice weekly at 5 mL per 190 L is the standard rate; increase frequency if your filter feeders are clearly consuming it and water quality allows.\u003c\/p\u003e\n\u003ch4\u003eWill this cloud my water?\u003c\/h4\u003e\n\u003cp\u003eDosed at the label rate it shouldn't cause lasting cloudiness, but overdosing can cloud the water and stress your skimmer — start at the standard dose and watch clarity.\u003c\/p\u003e\n\u003ch4\u003eDoes it need refrigeration?\u003c\/h4\u003e\n\u003cp\u003eRecommended after opening, but not required — a cool, dark cupboard is fine if fridge space is tight.\u003c\/p\u003e\n\u003ch4\u003eWhat's in it besides phytoplankton?\u003c\/h4\u003e\n\u003cp\u003eSodium chloride, acetic acid, ascorbic acid and citric acid as preservatives and stabilisers, plus astaxanthin, a natural carotenoid included for colour and antioxidant support.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"250ml","offer_id":55242266181923,"sku":"AA2592","price":19.8,"currency_code":"AUD","in_stock":false},{"title":"500ml","offer_id":55335266255139,"sku":"AA2593","price":34.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/seachem-phytoplankton-43160356684067.webp?v=1790237814","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/seachem-phytoplankton","provider":"Nicks AOT","version":"1.0","type":"link"}