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API GH & KH Test Kit General Carbonate Hardness Liquid Aquarium Tank Alkalinity - Picture 1 of 2
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API GH & KH TEST KIT Freshwater Aquarium Water Test Kit

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Price:
£13.99
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Estimated between Thu, 30 May and Fri, 31 May
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Condition:
New
When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat.