{"product_id":"red-sea-reef-care-reef-foundation-abc-3-pack-250ml-ea","title":"Red Sea Reef Care Reef Foundation ABC 3 Pack 250ml ea","description":"\u003cp\u003e\u003cstrong\u003eThe three skeletal elements, dosed separately, in a trial-friendly size.\u003c\/strong\u003e The Red Sea Reef Foundation ABC 3-Pack bundles a 250 mL bottle each of Foundation A (calcium and strontium), Foundation B (alkalinity) and Foundation C (magnesium) — the three elements every stony coral consumes fastest. Dosing them as separate liquids, rather than one blended powder, lets you correct each element independently when your tank's uptake isn't balanced across all three.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree elements, three bottles\u003c\/strong\u003e — Foundation A (calcium\/strontium), B (alkalinity) and C (magnesium), dosed and tested independently of one another.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrects uneven uptake\u003c\/strong\u003e — SPS-heavy systems often consume calcium and alkalinity faster than magnesium; separate liquids let you dose only what's actually depleted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250 mL trial size\u003c\/strong\u003e — enough to run a nano or small reef for months, or to test the Foundation range before committing to bulk powder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnder 1c per litre dosed\u003c\/strong\u003e — see Specifications for the full dose-rate breakdown.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack contents\u003c\/th\u003e\n\u003ctd\u003e1 × Foundation A, 1 × Foundation B, 1 × Foundation C, 250 mL each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003eLiquid concentrate, dosed individually\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFoundation A dose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL raises calcium by approximately 2 ppm per 100 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFoundation B dose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL raises alkalinity by approximately 0.036 meq\/L (0.1 dKH) per 100 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFoundation C dose rate\u003c\/th\u003e\n\u003ctd\u003e1 mL raises magnesium by approximately 1 ppm per 100 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable for\u003c\/th\u003e\n\u003ctd\u003eMarine \/ reef aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCost per litre dosed\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePack\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003cth\u003eCost per litre, per element topped up once\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3-Pack, 250 mL each\u003c\/td\u003e\n\u003ctd\u003eRED294\u003c\/td\u003e\n\u003ctd\u003e$56.00\u003c\/td\u003e\n\u003ctd\u003eUnder 1c per litre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eAt the 1 mL per 100 L convention shared by all three elements, each 250 mL bottle tops up roughly 25,000 L worth of dosing across its life — works out to a fraction of a cent per litre for calcium, alkalinity or magnesium individually.\u003c\/p\u003e\u003ch3\u003eWhich one do I need? Liquid ABC vs powder ABC+\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eFoundation ABC 3-Pack (liquid)\u003c\/th\u003e\n\u003cth\u003eFoundation ABC+ (powder)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing\u003c\/td\u003e\n\u003ctd\u003eEach element dosed separately, to its own test result\u003c\/td\u003e\n\u003ctd\u003eOne dose covers all three, in a fixed ratio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eSystems where uptake is uneven across Ca\/Alk\/Mg — typically SPS-heavy reefs\u003c\/td\u003e\n\u003ctd\u003eSystems where all three deplete roughly in proportion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eLiquid, ready to dose\u003c\/td\u003e\n\u003ctd\u003ePowder, dissolved or dosed dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDosage and directions\u003c\/h3\u003e\u003cp\u003eTest calcium, alkalinity and magnesium with the Reef Foundation Pro Multi Test Kit before dosing. Dose each element separately: 1 mL of Foundation A per 100 L raises calcium by approximately 2 ppm; 1 mL of Foundation B per 100 L raises alkalinity by approximately 0.036 meq\/L (0.1 dKH); 1 mL of Foundation C per 100 L raises magnesium by approximately 1 ppm. Retest weekly and adjust each element's dose independently — that's the reason to choose the liquid trio over the ABC+ powder.\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 aquariums, particularly SPS-heavy systems where calcium, alkalinity and magnesium deplete at different rates and need independent correction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e freshwater aquariums, or reefs where all three elements track together — the ABC+ powder is simpler for that case.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSafety\u003c\/h3\u003e\u003cp\u003eStore bottles away from direct sunlight and out of reach of children and pets. Dose accurately — alkalinity in particular can swing pH sharply if overdosed in one go; split large corrections across more than one day.\u003c\/p\u003e\u003ch3\u003eGoes well with\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-reef-foundation-pro-multi-testing-kit\"\u003eRed Sea Reef Foundation Pro Multi Testing Kit\u003c\/a\u003e — tests calcium, alkalinity and magnesium to guide each dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/red-sea-reef-care-skeletal-elements-foundation-abc-1kg\"\u003eRed Sea Reef Care Skeletal Elements Foundation ABC+ 1kg\u003c\/a\u003e — the combined powder alternative for balanced-uptake systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWarranty and delivery\u003c\/h3\u003e\u003cp\u003eCovered by Red Sea's standard consumer guarantee in addition to your rights under Australian Consumer Law. Ships standard courier — no cold chain or special handling required.\u003c\/p\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003ch4\u003eShould I buy the liquid 3-pack or the ABC+ powder?\u003c\/h4\u003e\u003cp\u003eChoose the liquid 3-pack if your calcium, alkalinity and magnesium test results drift apart from each other over time — common in SPS-heavy tanks. Choose ABC+ powder if all three consistently deplete together.\u003c\/p\u003e\u003ch4\u003eCan I dose all three at once?\u003c\/h4\u003e\u003cp\u003eYes, but test first — the value of dosing them separately is correcting only what's actually low, rather than adding all three regardless of need.\u003c\/p\u003e\u003ch4\u003eHow long does the 3-pack last?\u003c\/h4\u003e\u003cp\u003eAt the standard 1 mL per 100 L dose rate, each 250 mL bottle covers roughly 25,000 L of cumulative dosing — months for a typical home reef, depending on coral load and tank size.\u003c\/p\u003e\u003ch4\u003eDoes alkalinity dosing affect pH?\u003c\/h4\u003e\u003cp\u003eYes — Foundation B raises carbonate alkalinity, which buffers pH. Large single doses can move pH quickly; split corrections over several days rather than dosing the full amount at once.\u003c\/p\u003e\u003ch4\u003eIs this suitable for a new tank?\u003c\/h4\u003e\u003cp\u003eYes — the 250 mL trial size is a common way to start dosing on a new or smaller reef before committing to bulk sizes.\u003c\/p\u003e","brand":"RedSea","offers":[{"title":"Default Title","offer_id":54774153707811,"sku":"RED294","price":56.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/7236\/5347\/files\/RED294_2.png?v=1772078642","url":"https:\/\/nicksaquariumoceanariumterrarium.com.au\/products\/red-sea-reef-care-reef-foundation-abc-3-pack-250ml-ea","provider":"Nicks Aquarium Oceanarium Terrarium","version":"1.0","type":"link"}