{"product_id":"kalkwasser-julian-sprung","title":"Kalkwasser Julian Sprung","description":"\u003cp\u003e\u003cspan\u003eTwo Little Fishies\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eKalkwasser\u003c\/span\u003e\u003cspan\u003e by Julian Sprung is a high-purity calcium hydroxide (Ca(OH)₂) powder used to maintain calcium and alkalinity in marine reef aquariums. When mixed with purified freshwater, it creates kalkwasser (“limewater”), which is typically dosed through an auto top-off (ATO) system or a kalk reactor to replace evaporated water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey benefits\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eMaintains \u003c\/span\u003e\u003cspan\u003ecalcium\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan\u003ealkalinity\u003c\/span\u003e\u003cspan\u003e levels in growing reef tanks.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHelps stabilize \u003c\/span\u003e\u003cspan\u003epH\u003c\/span\u003e\u003cspan\u003e, especially when dosed slowly at night.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupplies calcium and alkalinity in the same ratio that corals and coralline algae consume them.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCan help reduce phosphate by promoting precipitation of phosphate compounds.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eBest practices\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eMix only with \u003c\/span\u003e\u003cspan\u003eRO\/DI water\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDose \u003c\/span\u003e\u003cspan\u003eslowly\u003c\/span\u003e\u003cspan\u003e to avoid sudden pH spikes.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllow the solution to settle and dose only the clear liquid, leaving any undissolved powder at the bottom.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStore the mixed solution in a sealed container to minimize exposure to air, which reduces its potency.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eKalkwasser works well for many reef aquariums with low to moderate calcium and alkalinity demand. Tanks with heavy SPS coral growth may still require additional supplementation, such as a two-part dosing system or a calcium reactor, to keep up with consumption.\u003c\/span\u003e\u003c\/p\u003e","brand":"Strictly Fish Miami","offers":[{"title":"Default Title","offer_id":44294168739928,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0263\/6375\/6632\/files\/IMG-0785.jpg?v=1782774285","url":"https:\/\/www.strictlyfishmiami.com\/products\/kalkwasser-julian-sprung","provider":"Strictly Fish Miami","version":"1.0","type":"link"}