{"id":31929,"date":"2016-05-30T16:09:05","date_gmt":"2016-05-30T14:09:05","guid":{"rendered":"https:\/\/hw-wiegandt.de\/produkt\/hw-calciumchlorid-dihydrat\/"},"modified":"2026-11-05T14:15:21","modified_gmt":"2026-11-05T13:15:21","slug":"hw-calcium-chloride-dihydrate","status":"publish","type":"product","link":"https:\/\/hw-wiegandt.de\/en\/product\/hw-calcium-chloride-dihydrate\/","title":{"rendered":"hw Calcium Chloride Dihydrate"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><h2>Combined calcium chloride and sodium bicarbonate dosing<\/h2>\n<h4>General procedure<\/h4>\n<p>This method supplies calcium and carbonate hardness by adding hw\u00ae Calcium Chloride Dihydrate (CaCl\u2082 \u00b7 2H\u2082O) and <a href=\"https:\/\/hw-wiegandt.de\/en\/product\/hw-sodium-bicarbonate\/\">hw\u00ae Sodium Bicarbonate<\/a> (NaHCO\u2083). Sodium and chloride remain as additional sodium chloride (NaCl), which can gradually alter the seawater composition.<\/p>\n<p>The sodium-chloride-free salt mix <a href=\"https:\/\/hw-wiegandt.de\/en\/product\/hw-mineralmarin\/\">hw\u00ae MineralMarin<\/a> supplies the other marine salt components. Salinity also rises gradually with this method. Monitor it regularly, taking temperature into account when using a hydrometer, and compensate for the increase during water changes.<\/p>\n<p><a href=\"https:\/\/hw-wiegandt.de\/en\/aquarium-hardware\/hw-densitymeter\/\">How to measure seawater density<\/a><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Pure calcium chloride dihydrate (CaCl\u2082 \u00b7 2H\u2082O) in powder form for adjusting calcium levels as part of combined calcium chloride and sodium bicarbonate dosing.<\/p>\n","protected":false},"featured_media":3812,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[240,251,254],"product_tag":[324,331,332,323],"class_list":["post-31929","product","type-product","status-publish","has-post-thumbnail","product_cat-marine-water-aquaristics","product_cat-hw-marine-water-minerals","product_cat-additives-for-marine-water-aquariums","product_tag-balingmethod","product_tag-calcium-chloride-en","product_tag-cacl-en-2","product_tag-calcium-en","first","instock","taxable","shipping-taxable","purchasable","product-type-variable","has-product-safety-information"],"acf":[],"_links":{"self":[{"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product\/31929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":2,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product\/31929\/revisions"}],"predecessor-version":[{"id":123866,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product\/31929\/revisions\/123866"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/media\/3812"}],"wp:attachment":[{"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/media?parent=31929"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product_brand?post=31929"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product_cat?post=31929"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hw-wiegandt.de\/en\/wp-json\/wp\/v2\/product_tag?post=31929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}