{"product_id":"esv-calcium-hydroxide-kalkwasser","title":"Calcium Hydroxide Kalkwasser","description":"\u003ch1\u003eESV Calcium Hydroxide Kalkwasser\u003c\/h1\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eESV Calcium Hydroxide (Kalkwasser Powder) Calcium Hydroxide is a proven standard for maintaining calcium concentration and alkalinity in closed marine aquaria. The calcium provided is directly used by calcifying organisms, and the hydroxide ions provided readily convert dissolved CO2 into bicarbonate and carbonate ions, which are also directly used by calcifying organisms. ESV's product is extremely pure and meets American Water Works Association and Water Chemical Codex requirements.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCalcium Hydroxide Kalkwasser supports aquarium filtration and water-quality management\u003c\/li\u003e\n\u003cli\u003eHelps improve clarity by targeting the media function listed in the product name\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible filter media bags, reactors, or filter chambers\u003c\/li\u003e\n\u003cli\u003eUseful for routine maintenance or media replacement schedules\u003c\/li\u003e\n\u003cli\u003eSupports freshwater, marine, or reef systems as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ESV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e ESV Calcium Hydroxide Kalkwasser\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Filter Media\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e ESV-MEDIA-0000676\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 898636000000\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESV","offers":[{"title":"4 lb","offer_id":51821416874305,"sku":"ESV-MEDIA-0000676","price":51.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/8968\/2497\/files\/media_6bfff3e3-2677-46c6-a0d1-2dcc91f96083.jpg?v=1780895610","url":"https:\/\/lawnandpets.com\/products\/esv-calcium-hydroxide-kalkwasser","provider":"Lawn and Pets","version":"1.0","type":"link"}