MasterLine GH Plus is the ideal solution for specifically increasing the total hardness (GH) of your aquarium water. Developed for freshwater aquariums, this high-quality water conditioner ensures optimum conditions, especially in planted tanks and shrimp aquariums.MasterLine GH Plus+ mixture of 100% soluble salts, for the mineralization of osmosis water but also of water with a total hardness of less than 6 dGH+ increases total hardness (GH) without affecting carbonic hardness (KH)+ promotes the growth of aquatic plants+ adds calcium and magnesium in the perfect ratio of 4:1, and 5 ppm potassium+ adds essential minerals for the growth of caridina shrimp and fish that prefer soft water+ compatible with all forms of aquatic life, including shrimpDosage MasterLine GH PlusOne measuring spoon (approximately 3 grams) per 15 liters of water, increases the total hardness by 6 dGH. Measuring spoon included