{"product_id":"seachem-freshwater-aquarium-alkaline-buffer-600-g-phosphate-free-ph-kh-support","title":"Seachem Freshwater Aquarium Alkaline Buffer, 600 g, Phosphate-Free pH \u0026 KH Support","description":"\u003cp\u003e\u003cstrong\u003eSeachem Alkaline Buffer is a non-phosphate aquarium buffer made to raise pH and alkalinity in freshwater setups, with a target pH range of 7.2–8.5.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContains no phosphate — suited to aquarium conditions where phosphate buffers may contribute to algae or cloudiness concerns.\u003c\/li\u003e\n\u003cli\u003eRaises pH within the 7.2–8.5 range — gives freshwater aquarists a defined adjustment range.\u003c\/li\u003e\n\u003cli\u003eIncreases alkalinity (KH) — addresses both pH and carbonate hardness.\u003c\/li\u003e\n\u003cli\u003eDesigned for planted aquariums and very hard water — made for these specific freshwater conditions.\u003c\/li\u003e\n\u003cli\u003e600 g (1.3 lbs) — a single-size buffer supply for aquarium use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSeachem Alkaline Buffer is for aquarists who want to adjust freshwater pH and KH without adding phosphate through the buffer. Its intended settings include planted aquariums and very hard water, especially where phosphate buffers may raise concerns about algae or cloudy water. The formula is described as gentle and safe, and is intended to enhance the freshwater environment.\u003c\/p\u003e\n\u003ch3\u003eWhat water parameters does Seachem Alkaline Buffer adjust?\u003c\/h3\u003e\n\u003cp\u003eIt raises pH and increases alkalinity, also called KH. The specified pH range is 7.2–8.5, so the product is intended for adjustments within that range rather than for every possible aquarium pH target. These two water-chemistry roles make it relevant when both pH and alkalinity are part of the aquarist’s adjustment goal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003epH adjustment and KH increase are the stated functions.\u003c\/li\u003e\n\u003cli\u003eThe stated range provides a concrete reference for the intended pH adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy choose a non-phosphate buffer for a planted aquarium?\u003c\/h3\u003e\n\u003cp\u003eSeachem Alkaline Buffer contains no phosphate and is designed for planted aquarium use. This matters in settings where phosphate buffers may pose an algae or cloudiness problem; the formula lets aquarists address pH and alkalinity without phosphate in the buffer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlanted freshwater aquariums are a stated use case.\u003c\/li\u003e\n\u003cli\u003eVery hard water is another stated use case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCan Seachem Alkaline Buffer be used with Acid Buffer?\u003c\/h3\u003e\n\u003cp\u003eYes. Seachem Alkaline Buffer is designed to buffer with Acid Buffer, providing a named companion buffer for aquarists managing freshwater water chemistry. The product’s stated role remains raising pH and KH; its target range is 7.2–8.5.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAcid Buffer is the specifically named buffer to pair with it.\u003c\/li\u003e\n\u003cli\u003eThe package contains 600 g (1.3 lbs) of Alkaline Buffer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSeachem Alkaline Buffer suits freshwater aquarists working with planted tanks or very hard water who want to raise pH and KH using a phosphate-free buffer. Its specified pH range and compatibility with Acid Buffer make its role clear: it is intended for freshwater pH and alkalinity adjustment, not as a general-purpose product for every aquarium need.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does Seachem Alkaline Buffer do?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Seachem Alkaline Buffer raises freshwater pH and increases alkalinity (KH), with a specified pH range of 7.2–8.5.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Seachem Alkaline Buffer be used with Acid Buffer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Seachem Alkaline Buffer is designed to buffer with Acid Buffer and is intended for freshwater aquarium use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":55666610798935,"sku":"B0002Z7UC4","price":38.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1056\/4780\/0663\/files\/seachem-alkaline-buffer-package-front.jpg?v=1793372094","url":"https:\/\/bathpetsupplies.co.uk\/products\/seachem-freshwater-aquarium-alkaline-buffer-600-g-phosphate-free-ph-kh-support","provider":"BathPetSupplies","version":"1.0","type":"link"}