It is a salt-based supplement that increases the total hardness of aquarium water. Total hardness is a factor that affects the exchange of fluids between plant and animal tissues and the environment. ABA GH allows you to adjust this parameter to recreate optimal conditions for aquarium species. It is recommended for use when using ABA AUTHENTIC SOIL for the first time.

Directions: 5 ml raises 20 liters of water by 4 degrees.