API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, 2.5 oz.

Keep your fish healthy and thriving by testing your aquarium water's GH levels regularly with this easy-to-use API GH & KH TEST KIT for freshwater aquariums. Testing water parameters weekly helps prevent invisible water problems that can be harmful to fish. Water hardness is a measure of the dissolved mineral content of water. There are two types: the general hardness (GH) and carbonate hardness (KH). When keeping freshwater fish and plants, the GH and the KH of aquarium water should match their natural habitat. The API GH & KH TEST KIT helps aquarists duplicate the natural habitat of their fish, as well as detect low KH levels, which can lead to rapid and wide pH shifts, stressing fish. API GH & KH TEST KIT contains KH test bottle, GH test bottle, instructions and two capped test tubes. With API aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because we’re dedicated to making a better underwater world. They work to provide a safe, hospita

• Contains one (1) API GH & KH TEST KIT Freshwater Aquarium Water Test Kit, including 2 bottles of testing solution 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
• Front of package indicates “for FRESH WATER” because this is the most common use of this product, but instructions include ranges for marine and brackish aquarium water. So this product does not need a warning and it can be used if they wish to.

Source reference: https://www.amazon.com/dp/B000255ND2