Adjust water parameters

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Colombo Colombo GH Plus
Colombo GH Plus is used to increases GH value of water. Available in 100 & 250 ml.
HS-aqua HS-aqua pH/KH Minus
HS aqua pH/KH Minus lowers excessively high pH-and KH-levels in aquariums.
Colombo Colombo pH Min
Colombo pH Min is used to reduce too high pH values. Available in 100 & 250 ml.
Colombo Colombo KH Plus
Colombo KH Plus is used to increase too low KH Values. Available in 100 & 250 ml.
Onlineaquarium spullen Oak extract
Oak extract is a strong acid which is used to acidify aquarium water and lowering the pH.
SL-aqua SL-aqua KH builder
SL-aqua KH builder is a unique formula consisting of carbonate minerals, calcium, potassium, sodium, magnesium and macro elements. With KH builder the...