Product: Tetratest GH - for measuring the total hardness
Easy to use, high precision
Total hardness, resulting from the concentration of salts of calcium and magnesium, directly affects the cellular function of fish, plants and microorganisms. Optimal values of GH are between 6 ° and 16 ° dH (based on environmental needs of different species of fish).
The weekly measurement of this parameter will allow us to know the precise concentration Tetratest kits are always accurate and professional methods used to determine if the water is safe for your aquarium fish measured accurately and reliably measuring large-scale good stability over time Tetratest of GH is also available in the convenient refill