{"product_id":"seachem-alkaline-buffer","title":"Seachem Alkaline Buffer","description":"\u003cp\u003e\u003cstrong\u003eSeachem Alkaline Buffer\u003c\/strong\u003e is a non-phosphate buffer that raises pH and carbonate alkalinity (KH) in freshwater aquariums. It is the go-to choice for soft, acidic source water and for fish that prefer harder, higher-pH conditions, such as African Rift Lake cichlids, livebearers, and goldfish. Browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem\u003c\/a\u003e water care in our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eadditives and supplements\u003c\/a\u003e section.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy Alkaline Buffer\u003c\/h3\u003e\n\u003cul style=\"margin:4px 0 0;padding-left:20px;line-height:1.5;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaises pH and KH together\u003c\/strong\u003e toward a stable 7.2 to 8.4 range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-phosphate formula\u003c\/strong\u003e that builds carbonate hardness without adding phosphate that can feed nuisance algae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with Seachem Acid Buffer\u003c\/strong\u003e to dial in and hold almost any pH between about 6.5 and 8.5.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle and adjustable,\u003c\/strong\u003e so you can move water chemistry in small, controlled steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated dry powder\u003c\/strong\u003e that stores indefinitely and goes a long way.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eApprox. 1\/4 tsp doses*\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e70 g (2.5 oz)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eabout 45\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNano and single small tanks, or trying it out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e300 g (10.6 oz)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eabout 200\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eMid-size tanks or regular weekly dosing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e600 g (1.3 lb)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eabout 400\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eLarge tanks, fish rooms, best value per gram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:0.9em;color:#666;margin:6px 0 0;\"\u003e*Each 1\/4 teaspoon (about 1.5 g) treats roughly 80 L (20 US gallons) and raises carbonate alkalinity by about 1 meq\/L (2.8 dKH).\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cp style=\"margin:4px 0 0;line-height:1.5;\"\u003eUse 1\/4 teaspoon (1.5 g) for every 80 L (20 US gallons) twice a week, or as needed to reach your target pH. For best results, dissolve the dose in a cup of tank water first, then add it to the aquarium. Raise pH gradually, no more than about 0.2 pH units per day, so fish can adjust comfortably.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetting an Exact pH with Acid Buffer\u003c\/h3\u003e\n\u003cp style=\"margin:4px 0 6px;line-height:1.5;\"\u003eUsed on its own, Alkaline Buffer pushes pH toward 8.0. To target a specific lower value, combine it with Seachem Acid Buffer in these approximate ratios:\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eTarget pH\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eAcid Buffer : Alkaline Buffer\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6.6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 : 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e7.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 : 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e7.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 : 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e8.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eAlkaline Buffer only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:0.9em;color:#666;margin:6px 0 0;\"\u003eAlways test your pH and KH before and after dosing, and adjust the ratio to suit your tank.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;width:38%;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSeachem Alkaline Buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNon-phosphate pH and alkalinity (KH) buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eAdjusts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eRaises pH and carbonate alkalinity (KH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eTarget pH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eUp to about 8.0 alone, lower values with Acid Buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eDose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1\/4 tsp (1.5 g) per 80 L (20 gal), 2x weekly or as needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eAlkalinity per dose\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eAbout 1 meq\/L (2.8 dKH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eForm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eDry powder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e70 g, 300 g, 600 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eGood to Pair With\u003c\/h3\u003e\n\u003cul style=\"margin:4px 0 0;padding-left:20px;line-height:1.5;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003epH and KH test kits\u003c\/a\u003e to track your water before and after each dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-alkaline-regulator-freshwater-ph-buffer\"\u003eSeachem Alkaline Regulator\u003c\/a\u003e, a phosphate buffer that locks freshwater pH near 8.3 for African cichlid setups.\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/seachem\"\u003eSeachem\u003c\/a\u003e conditioners and buffers for fine-tuning water chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp style=\"margin:4px 0 0;line-height:1.5;\"\u003e\u003cstrong\u003eWhat does Seachem Alkaline Buffer do?\u003c\/strong\u003e\u003cbr\u003eIt raises pH and carbonate alkalinity (KH) in freshwater. Higher KH also helps hold pH steady so it does not drift down between water changes.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0;line-height:1.5;\"\u003e\u003cstrong\u003eWill it cause algae like some pH buffers?\u003c\/strong\u003e\u003cbr\u003eNo. It is a non-phosphate formula, so it buffers without adding the phosphate that can fuel nuisance algae.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0;line-height:1.5;\"\u003e\u003cstrong\u003eHow is it different from Seachem Alkaline Regulator?\u003c\/strong\u003e\u003cbr\u003eAlkaline Regulator is a phosphate buffer that locks pH near 8.3, which suits African cichlids and other high-pH tanks. Alkaline Buffer is non-phosphate and fully adjustable, especially when paired with Acid Buffer.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 0;line-height:1.5;\"\u003e\u003cstrong\u003eIs it safe for plants and invertebrates?\u003c\/strong\u003e\u003cbr\u003eYes, when used as directed. Raise pH and KH slowly and test first, since some soft-water shrimp and plants prefer lower, softer conditions.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"70 g (2.5 oz)","offer_id":48905144959195,"sku":"234","price":4.09,"currency_code":"USD","in_stock":true},{"title":"300 g (10.6 oz)","offer_id":48905144991963,"sku":"236","price":7.94,"currency_code":"USD","in_stock":false},{"title":"600 g (1.3 lbs)","offer_id":48905145024731,"sku":"233","price":13.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_95beba76-d135-46a0-b942-10df18f41016.png?v=1782316236","url":"https:\/\/squeakysaquatics.com\/products\/seachem-alkaline-buffer","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}