{"product_id":"seachem-equilibrium","title":"Seachem Equilibrium","description":"\u003cp\u003e\u003cstrong\u003eRebuilds the calcium, magnesium and potassium that reverse osmosis water leaves behind.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSeachem Equilibrium is a freshwater mineral supplement that restores general hardness (GH) in RO, RO\/DI or deionised water, giving planted aquarium plants the calcium, magnesium and potassium they draw down as they grow. It contains no sodium chloride, so it won't push up salinity the way some hardness boosters do.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuilds GH from zero\u003c\/strong\u003e — designed for RO, RO\/DI and deionised water where minerals have been stripped out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSulfate-based, chloride-free\u003c\/strong\u003e — derived from potassium sulphate, calcium sulphate, magnesium sulphate, ferric sulphate and manganese sulphate; contains no sodium or chloride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeeds plants, not just fish\u003c\/strong\u003e — calcium, magnesium and potassium are three of the nutrients planted tanks consume fastest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePredictable dosing\u003c\/strong\u003e — 16 g raises 80 L by 1 meq\/L (3 dH), so the rise per dose is easy to plan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with Alkaline Buffer\u003c\/strong\u003e — Equilibrium sets GH; Alkaline Buffer sets KH, so used together they land the tank on a known hardness and alkalinity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder 1c per litre treated\u003c\/strong\u003e — a 300 g tub raises 1,500 L of water by 3 dH, one of the cheapest ways to remineralise RO water in the range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e300 g \/ 600 g \/ 4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eDry powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContains\u003c\/th\u003e\n\u003ctd\u003ePotassium sulphate, calcium sulphate, magnesium sulphate, ferric sulphate, manganese sulphate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGuaranteed analysis\u003c\/th\u003e\n\u003ctd\u003eSoluble potash (K₂O) 23.0% · Calcium 8.06% · Magnesium 2.41% · Iron 0.11% · Manganese 0.06%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSodium \/ chloride\u003c\/th\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard dose\u003c\/th\u003e\n\u003ctd\u003e16 g per 80 L raises GH by 1 meq\/L (3 dH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended target\u003c\/th\u003e\n\u003ctd\u003e3–6 dH (1–2 meq\/L) for most planted community tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eWater raised 3 dH\u003c\/th\u003e\n\u003cth\u003eCost per litre treated\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e300 g\u003c\/td\u003e\n\u003ctd\u003e1,500 L\u003c\/td\u003e\n\u003ctd\u003eunder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e600 g\u003c\/td\u003e\n\u003ctd\u003e3,000 L\u003c\/td\u003e\n\u003ctd\u003eunder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 kg\u003c\/td\u003e\n\u003ctd\u003e20,000 L\u003c\/td\u003e\n\u003ctd\u003eunder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eAll three sizes work out to under a cent per litre treated at the standard dose — the 4 kg tub is the better buy only if the tank and water-change routine are big enough to use it before it clumps in storage.\u003c\/p\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 freshwater planted aquariums, RO\/RO-DI and deionised water setups, community tanks needing a GH lift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e topping up evaporation — dose only at water changes, since evaporated water leaves minerals behind and re-dosing on top of that will push hardness too high. Not formulated or tested for marine or reef systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDosage and directions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdd 16 g (1 level tablespoon) per 80 L to raise GH by 1 meq\/L (3 dH).\u003c\/li\u003e\n\u003cli\u003eDissolve in 1 L of water first — the mix will look cloudy for 15–30 minutes before it clears, which is normal.\u003c\/li\u003e\n\u003cli\u003eDose at water changes, not as a top-up for evaporation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seachem-alkaline-buffer\"\u003eSeachem Alkaline Buffer\u003c\/a\u003e — sets KH independently of the GH that Equilibrium raises.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seachem-ph-alkalinity-kit-75-tests\"\u003eSeachem pH \u0026amp; Alkalinity Kit\u003c\/a\u003e — checks the KH that Alkaline Buffer adjusts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eCovered by Seachem's standard manufacturer warranty against defects, in addition to your rights under Australian Consumer Law. Standard freight — no special handling required.\u003c\/p\u003e\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWill Equilibrium raise KH as well as GH?\u003c\/h4\u003e\n\u003cp\u003eNo. Equilibrium is a general hardness (GH) product — it does not add carbonate buffering. Pair it with Seachem Alkaline Buffer to set KH independently.\u003c\/p\u003e\n\u003ch4\u003eCan I use it in a saltwater or reef tank?\u003c\/h4\u003e\n\u003cp\u003eNo. Equilibrium is formulated and marketed for freshwater planted aquariums.\u003c\/p\u003e\n\u003ch4\u003eWhy did the water go cloudy after dosing?\u003c\/h4\u003e\n\u003cp\u003eDissolve the powder in a litre of water first. A temporary cloudiness for 15–30 minutes is normal and clears on its own.\u003c\/p\u003e\n\u003ch4\u003eWhich size should I buy?\u003c\/h4\u003e\n\u003cp\u003eAll three sizes cost under a cent per litre treated at the standard dose — buy the 300 g or 600 g for a single tank, and the 4 kg only if it will be used within a reasonable time, since bulk mineral powder can absorb moisture and clump once opened.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"300 g","offer_id":55244180980003,"sku":null,"price":29.95,"currency_code":"AUD","in_stock":true},{"title":"600 g","offer_id":55244181012771,"sku":null,"price":57.95,"currency_code":"AUD","in_stock":true},{"title":"4 kg","offer_id":55244181045539,"sku":null,"price":273.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/0449-equilibrium-4-kg_bd1e06cd-0bc3-4fbc-924d-06c9c2915465.png?v=1782710747","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/seachem-equilibrium","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}