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- Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution, 1 colour card and 2 glass test tubes with cap
- Helps monitor water quality and prevent invisible water problems that can be harmful to fish and plants and cause fish loss
- Accurately measures GH & KH in freshwater aquariums
- Water hardness is a measure of the dissolved mineral content of water and should match fish natural habitat to prevent fish stress and keep them healthy
- Use for weekly monitoring and when water or fish problems appear
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