{"product_id":"api-ph-proper-7-0-powder-jar-250gm","title":"API pH Proper 7.0 Powder Jar 250gm","description":"\u003cp\u003e\u003cstrong\u003eNeutral, and stays that way.\u003c\/strong\u003e API Proper pH 7.0 is a powdered buffer for freshwater aquariums that sets water to a neutral pH of 7.0 and resists drift back toward the tank's natural level — the safe middle ground for general community tanks with mixed species. It doses at 2 teaspoons per 10 US gallons (38 L), sold here in a 250 g jar.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolds pH at a neutral 7.0\u003c\/strong\u003e — a phosphate buffer resists drift rather than making a one-off correction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso conditions the water\u003c\/strong\u003e — neutralises chlorine and chloramine and detoxifies heavy metals in the same dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits mixed community tanks\u003c\/strong\u003e — 7.0 is the safe middle ground when housing several species with different pH preferences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks out to roughly 5.4c per litre\u003c\/strong\u003e of aquarium water treated, at the label dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250 g jar\u003c\/strong\u003e — a distributor-stated yield of around 787 L (208 US gallons) at the label dose.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCost per litre\u003c\/h3\u003e\n\u003cp\u003eAt API's label dose of 2 teaspoons per 10 US gallons (38 L), a 250 g jar treats an estimated 787 L (about 208 US gallons), based on a specialist distributor's stated pack yield rather than a figure API itself publishes. At $42.95 per jar, that works out to roughly 5.4c per litre of treated water — marginally cheaper per litre than the 6.5 formulation's 240 g jar, because this pack is slightly larger for the same price.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePowdered pH buffer and water conditioner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget pH\u003c\/th\u003e\n\u003ctd\u003e7.0 (neutral)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e250 g jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDose rate\u003c\/th\u003e\n\u003ctd\u003e2 teaspoons per 10 US gallons (38 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated yield\u003c\/th\u003e\n\u003ctd\u003e~787 L (~208 US gal) per jar at label dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive constituents\u003c\/th\u003e\n\u003ctd\u003ePhosphate buffer (proprietary, over 60%), sodium thiosulfate (1–5%), EDTA tetrasodium salt (1–5%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlant safety\u003c\/th\u003e\n\u003ctd\u003eNot recommended for planted tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFreight\u003c\/th\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow much do I use?\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAquarium volume\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10 US gal (38 L)\u003c\/td\u003e\n\u003ctd\u003e2 teaspoons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 US gal (76 L)\u003c\/td\u003e\n\u003ctd\u003e4 teaspoons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55 US gal (208 L)\u003c\/td\u003e\n\u003ctd\u003e11 teaspoons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eDissolve the dose in a small amount of tank water, then distribute it near the filter outlet. Retest and repeat only when pH has drifted more than 0.2 from 7.0.\u003c\/p\u003e\n\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eTranscribed from API's Safety Data Sheet for this product, checked 7 August 2026:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eConstituent\u003c\/th\u003e\n\u003cth\u003eConcentration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhosphate buffer (specific salt withheld as proprietary)\u003c\/td\u003e\n\u003ctd\u003eGreater than 60%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSodium thiosulfate\u003c\/td\u003e\n\u003ctd\u003e1–5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEDTA tetrasodium salt\u003c\/td\u003e\n\u003ctd\u003e1–5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther non-hazardous ingredients\u003c\/td\u003e\n\u003ctd\u003eBalance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAPI's SDS notes that the exact chemical identity and precise concentration of the phosphate buffer are withheld as a trade secret; the ranges above are as published.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGeneral freshwater community tanks housing several species with different pH preferences\u003c\/li\u003e\n\u003cli\u003eNew tank setup, established tank correction, and water changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlanted aquariums — the phosphate buffer binds trace elements live plants need\u003c\/li\u003e\n\u003cli\u003eMarine or reef aquariums\u003c\/li\u003e\n\u003cli\u003eSoft-water specialist tanks needing 6.5 or lower, or alkaline specialist tanks needing 7.5 or higher — API sells dedicated buffers for those targets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cp\u003eAPI's Safety Data Sheet for this product carries hazard statements for the concentrated powder, before it's diluted into tank water: causes skin irritation, causes serious eye irritation, may cause respiratory irritation, and is classified toxic to aquatic life in its concentrated form. Handle the dry powder accordingly:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKeep out of reach of children\u003c\/li\u003e\n\u003cli\u003eAvoid raising dust; measure with the supplied scoop rather than pouring loosely\u003c\/li\u003e\n\u003cli\u003eAvoid skin and eye contact with the powder; wash out eyes with fresh running water immediately if it happens\u003c\/li\u003e\n\u003cli\u003eDissolve fully in tank water before use — the aquatic-life hazard applies to the concentrate, not to the tank once correctly dosed and diluted\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGoes well with\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-freshwater-master-multi-test-kit-5-in-1\"\u003eAPI Freshwater Master Multi Test Kit 5 in 1\u003c\/a\u003e — confirm pH is holding at 7.0 and check KH.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-ph-down\"\u003eAPI pH Down\u003c\/a\u003e or \u003ca href=\"\/products\/api-ph-up\"\u003eAPI pH Up\u003c\/a\u003e — for a larger initial correction before this buffer takes over holding the level.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/api-quick-start\"\u003eAPI Quick Start\u003c\/a\u003e — live nitrifying bacteria for new tank setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\n\u003cp\u003eThis is a consumable, so no manufacturer warranty period applies. That does not affect your rights under the Australian Consumer Law: if the product is faulty, unsafe or not as described, you are entitled to a remedy.\u003c\/p\u003e\n\u003cp\u003eShips as standard freight.\u003c\/p\u003e\n\n\u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003ch4\u003eWhat's actually in this product?\u003c\/h4\u003e\n\u003cp\u003eAPI's Safety Data Sheet lists a proprietary phosphate buffer at over 60%, sodium thiosulfate (a dechlorinator) at 1–5%, and EDTA tetrasodium salt (a heavy-metal detoxifier) at 1–5%. The exact phosphate salt is withheld as a trade secret.\u003c\/p\u003e\n\u003ch4\u003eIs this the same as API pH Up or pH Down?\u003c\/h4\u003e\n\u003cp\u003eNo. Those are one-shot liquid adjusters that move pH and then leave it to drift. This is a powdered buffer that sets pH to 7.0 and resists drift, so it needs redosing far less often.\u003c\/p\u003e\n\u003ch4\u003eCan I use this in a planted tank?\u003c\/h4\u003e\n\u003cp\u003eAPI advises against it, since the phosphate buffer binds trace elements live plants need.\u003c\/p\u003e\n\u003ch4\u003eWhy did my water go cloudy after dosing?\u003c\/h4\u003e\n\u003cp\u003eTemporary cloudiness in hard water is a known, harmless reaction. It typically clears within 24 to 48 hours.\u003c\/p\u003e\n\u003ch4\u003eHow much does a jar cost per litre of water treated?\u003c\/h4\u003e\n\u003cp\u003eBased on a distributor-stated yield of around 787 L per 250 g jar at the label dose, and this store's price, that's roughly 5.4c per litre.\u003c\/p\u003e","brand":"API","offers":[{"title":"Default Title","offer_id":54774196109603,"sku":null,"price":42.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/api-ph-proper-70-powder-jar-250gm-3000428-1600.jpg?v=1781836805","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/api-ph-proper-7-0-powder-jar-250gm","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}