COLOMBO GH PLUS 250 ML (1250L)

These are essential for the health of fish and plants. The ideal GH value is 8-12DH. Test the water regularly and correctly, if the values ​​are low use Colombo GH Plus. We recommend increasing the hardness by up to 2 DH per day. Usage: 1 ml of GH Plus 5L of aquarium water increases GH by 2 DH. 10 ml is enough for 50 l of aquarium water. If necessary, repeat the next day. GH Plus is suitable for tropical and cold water aquariums. Keep out of reach of children.