Adjust water parameters

Colombo GH Plus is used to increases GH value of water. Available in 100 & 250 ml.

HS aqua pH/KH Minus lowers excessively high pH-and KH-levels in aquariums.

Colombo pH Min is used to reduce too high pH values. Available in 100 & 250 ml.

Colombo KH Plus is used to increase too low KH Values. Available in 100 & 250 ml.

Oak extract is a strong acid which is used to acidify aquarium water and lowering the pH.

SL-aqua KH builder is a unique formula consisting of carbonate minerals, calcium, potassium, sodium, magnesium and macro elements. With KH builder the...