{"product_id":"fish-science-kh-reducer-250ml","title":"FishScience kH Reducer (250ml)","description":"\u003ch1\u003e\u003cstrong\u003eFishScience kH Reducer (250ml) – Carbonate Hardness Reducer for Freshwater Aquariums\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eGetting water chemistry right matters far more for some species than others – and if you're keeping fish that need \u003cstrong\u003esofter, lower-mineral water\u003c\/strong\u003e, carbonate hardness (kH) is one of the key parameters to get under control. \u003cstrong\u003eFishScience kH Reducer\u003c\/strong\u003e lowers carbonate hardness gradually and predictably, helping you create the softer water conditions certain species genuinely need to thrive.\u003c\/p\u003e\n\u003cp\u003eBecause kH directly influences how stable your pH is, reducing it can also help with \u003cstrong\u003epH control\u003c\/strong\u003e – though it needs to be approached carefully and gradually, which is exactly how this product is designed to work. Ideal for aquarists managing precise water chemistry, whether that's for soft water species or general fine-tuning of tank conditions.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces Carbonate Hardness (kH):\u003c\/strong\u003e Gradually lowers kH to help create softer water conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports pH Stability:\u003c\/strong\u003e Helps with pH control as part of a considered water chemistry management approach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled, Gradual Action:\u003c\/strong\u003e Designed to change water chemistry steadily rather than abruptly, reducing stress on fish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Soft Water Species:\u003c\/strong\u003e Ideal for fish that naturally prefer lower mineral content water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for Freshwater Aquariums:\u003c\/strong\u003e Formulated specifically for freshwater set-ups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Dosing:\u003c\/strong\u003e Clear dosing guidance allows for accurate, controlled adjustments to water chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy We Rate This\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWater chemistry products like this one are genuinely for the more experienced end of the fishkeeping hobby – if you're managing a tank for species with specific kH or pH requirements, you already understand why precision matters here. \u003cstrong\u003eSudden changes in water chemistry are far more dangerous to fish than the underlying parameter being slightly off\u003c\/strong\u003e, which is why a controlled, gradual-action product is so important.\u003c\/p\u003e\n\u003cp\u003eThe dosing guidance is genuinely strict for good reason – \u003cstrong\u003enever reduce kH by more than 1 per day\u003c\/strong\u003e. Rushing this kind of adjustment is one of the most common mistakes we see, and it can cause far more stress to fish than the original water chemistry issue ever would. Patience and precision are the name of the game with a product like this.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eDosage Guide\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eDose \u003cstrong\u003e25ml per 100 litres\u003c\/strong\u003e to reduce kH by 2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Do not reduce kH by more than 1 per day. Always make adjustments gradually and monitor your water parameters closely throughout the process.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable For:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater aquariums\u003c\/strong\u003e requiring kH adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft water species\u003c\/strong\u003e that need lower mineral content water\u003c\/li\u003e\n\u003cli\u003eAquarists managing \u003cstrong\u003eprecise water chemistry\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTanks needing \u003cstrong\u003egradual, controlled pH stabilisation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003ePrecise water chemistry, properly managed – \u003cstrong\u003eadd FishScience kH Reducer to your basket today.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e","brand":"FishScience","offers":[{"title":"Default Title","offer_id":54338508423514,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/1829\/9738\/files\/FishSciencekHReducer.jpg?v=1781988951","url":"https:\/\/sashandpepps.co.uk\/products\/fish-science-kh-reducer-250ml","provider":"Sash \u0026 Pepps","version":"1.0","type":"link"}