{"id":61,"date":"2026-08-05T23:48:11","date_gmt":"2026-08-05T23:48:11","guid":{"rendered":"https:\/\/www.northstarmanagedit.com\/mcc3\/product\/aluminum-sulfate-48\/"},"modified":"2026-08-05T23:48:11","modified_gmt":"2026-08-05T23:48:11","slug":"aluminum-sulfate-48","status":"publish","type":"mc_product","link":"https:\/\/www.northstarmanagedit.com\/mcc3\/product\/aluminum-sulfate-48\/","title":{"rendered":"Aluminum Sulfate 48%"},"content":{"rendered":"<p>Liquid aluminium sulfate at 48%, NSF grade available for potable water treatment.<\/p>\n<h2>Typical uses<\/h2>\n<ul>\n<li>Primary coagulant in drinking water clarification<\/li>\n<li>Turbidity and colour removal<\/li>\n<li>Phosphorus precipitation<\/li>\n<li>Paper sizing and retention<\/li>\n<li>Industrial wastewater solids removal<\/li>\n<\/ul>\n<h2>Operating notes<\/h2>\n<p>Alum works in a narrower pH band than ferric, roughly 5.5 to 7.5 depending on the water, and it consumes alkalinity as it hydrolyses. In a low-alkalinity source water that means pH drops as dose increases, which caps how much you can add before you need supplemental alkalinity \u2014 usually soda ash or caustic.<\/p>\n<p>Cold water performance falls off noticeably. Plants on surface water sources often see their required dose climb in winter for exactly this reason.<\/p>\n<h2>Handling<\/h2>\n<p>Mildly corrosive rather than aggressively so. Use FRP, HDPE, or 316 stainless. It crystallises in cold weather at this concentration, so unheated outdoor storage in a cold climate needs attention.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Forty-eight percent liquid alum. The long-standing primary coagulant for drinking water clarification and industrial solids removal.<\/p>\n","protected":false},"featured_media":0,"menu_order":170,"template":"","meta":[],"mc_product_category":[6],"class_list":["post-61","mc_product","type-mc_product","status-publish","hentry","mc_product_category-water-treatment"],"_links":{"self":[{"href":"https:\/\/www.northstarmanagedit.com\/mcc3\/wp-json\/wp\/v2\/mc_product\/61","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.northstarmanagedit.com\/mcc3\/wp-json\/wp\/v2\/mc_product"}],"about":[{"href":"https:\/\/www.northstarmanagedit.com\/mcc3\/wp-json\/wp\/v2\/types\/mc_product"}],"wp:attachment":[{"href":"https:\/\/www.northstarmanagedit.com\/mcc3\/wp-json\/wp\/v2\/media?parent=61"}],"wp:term":[{"taxonomy":"mc_product_category","embeddable":true,"href":"https:\/\/www.northstarmanagedit.com\/mcc3\/wp-json\/wp\/v2\/mc_product_category?post=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}