{"product_id":"aqua-medic-reef-salt-20kg-bucket","title":"Aqua Medic Reef Salt 20kg Bucket","description":"\u003cp\u003e\u003cstrong\u003eMixes to under 44 cents a litre and doesn't lean on chelating agents to hit its numbers.\u003c\/strong\u003e Aqua Medic Reef Salt is a marine salt mix formulated for reef and fish-only saltwater aquariums, dissolving to 35‰ salinity at a ratio of 38 g of salt per litre of water. A 20 kg bucket makes 600 litres of mixed saltwater — enough for a full 400 L system change with margin for top-offs.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e38 g\/L mix ratio\u003c\/strong\u003e — dissolves to 35‰ salinity, the standard reef target, without needing to over- or under-dose to compensate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600 L per 20 kg bucket\u003c\/strong\u003e — works out to \u003cstrong\u003e$0.43 per litre of mixed saltwater\u003c\/strong\u003e at current pricing, calculated automatically from the pack price so it always reflects what you'd actually pay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElevated calcium and alkalinity reserve\u003c\/strong\u003e — formulated to hold Ca and KH up without relying on chelating agents, which some reefers avoid over concerns about long-term trace element binding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced strontium and iodine\u003c\/strong\u003e — included above baseline levels alongside the standard trace element package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo nitrates or phosphates\u003c\/strong\u003e — won't contribute to nuisance algae load on mixing day.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack size\u003c\/th\u003e\n\u003ctd\u003e20 kg bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater made\u003c\/th\u003e\n\u003ctd\u003e600 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMix ratio\u003c\/th\u003e\n\u003ctd\u003e38 g of salt per litre of water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget salinity\u003c\/th\u003e\n\u003ctd\u003e35‰\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCost per litre\u003c\/th\u003e\n\u003ctd\u003e$0.43 per litre of mixed saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormulation\u003c\/th\u003e\n\u003ctd\u003eStandard reef and fish-only marine salt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhich Aqua Medic salt do I need?\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSalt\u003c\/th\u003e\n\u003cth\u003eBest for\u003c\/th\u003e\n\u003cth\u003eYield (20 kg)\u003c\/th\u003e\n\u003cth\u003eNotable minerals\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReef Salt (this product)\u003c\/td\u003e\n\u003ctd\u003eGeneral reef and fish-only marine systems\u003c\/td\u003e\n\u003ctd\u003e600 L\u003c\/td\u003e\n\u003ctd\u003eElevated Ca and alkalinity reserve, enhanced Sr and I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReef Salt Coral\u003c\/td\u003e\n\u003ctd\u003eCoral-heavy systems prioritising growth and colouration\u003c\/td\u003e\n\u003ctd\u003e600 L\u003c\/td\u003e\n\u003ctd\u003eCa approx. 500 mg\/L, Mg approx. 1,450 mg\/L, added vitamin B complex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eReef Salt Coral publishes exact calcium, magnesium and bicarbonate figures on its own listing; Aqua Medic markets the standard Reef Salt on its elevated reserve and trace element package rather than a published mineral assay, so if you want a documented Ca\/Mg\/KH landing point rather than a stated \"elevated\" claim, Reef Salt Coral is the better-documented choice. Both mix at the same 38 g\/L ratio and yield the same 600 L per 20 kg.\u003c\/p\u003e\u003ch3\u003eSuitable for, and not suitable for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e reef, FOWLR and fish-only marine aquariums needing a general-purpose salt mix.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e freshwater tanks, and reefers who specifically need a published, guaranteed mineral assay at time of mixing — see Reef Salt Coral above for that.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDosage and directions\u003c\/h3\u003e\u003cp\u003eMix into RO\/DI water at 38 g per litre, using a powerhead or pump to circulate until fully dissolved — typically 15–30 minutes. Check salinity with a refractometer before adding to the display or topping off, and allow freshly mixed water to reach system temperature first.\u003c\/p\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eConsumable water-care product; standard freight. Store the bucket sealed and dry between uses to prevent clumping.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eHow many litres does one 20 kg bucket make?\u003c\/h4\u003e\u003cp\u003e600 litres of mixed saltwater at the standard 38 g\/L ratio for 35‰ salinity.\u003c\/p\u003e\u003ch4\u003eWhat's the actual cost per litre?\u003c\/h4\u003e\u003cp\u003e$0.43 per litre of mixed saltwater at current pricing — this figure is calculated live from the pack price, so it updates automatically if the price changes.\u003c\/p\u003e\u003ch4\u003eDoes this contain chelating agents?\u003c\/h4\u003e\u003cp\u003eNo — Aqua Medic states the elevated calcium and alkalinity reserve is achieved without them.\u003c\/p\u003e\u003ch4\u003eIs this the same as Reef Salt Coral?\u003c\/h4\u003e\u003cp\u003eNo. Both yield 600 L per 20 kg bucket at the same mix ratio, but Reef Salt Coral is formulated with published, higher calcium and magnesium figures and added vitamin B complex aimed at coral growth and colouration.\u003c\/p\u003e","brand":"Aqua Medic","offers":[{"title":"Default Title","offer_id":55285032485155,"sku":"AM30106","price":260.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/12321_Reef-Salt-comp.png?v=1786066028","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/aqua-medic-reef-salt-20kg-bucket","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}