Product: OceanLife Fyton GH+ 250ml
Fyton GH + is used in water obtained by the reverse osmosis process to raise the value of hardness GH.
It 's the safest way to add salt to the aquarium without introducing also harmful pollutants such as through the use of tap water.
5 ml in 20 liters raise the hardness of 2 dGH.
Adjust the value of GH water according to the needs of your aquarium.