Adjust water parameters

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HS-aqua HS-aqua pH/KH Minus
HS aqua pH/KH Minus lowers excessively high pH-and KH-levels in aquariums.
Onlineaquarium spullen Oak extract
Oak extract is a strong acid which is used to acidify aquarium water and lowering the pH.
Colombo Colombo KH Plus
Colombo KH Plus is used to increase too low KH Values. Available in 100 & 250 ml.
Colombo Colombo GH Plus
Colombo GH Plus is used to increases GH value of water. Available in 100 & 250 ml.
Colombo Colombo pH Min
Colombo pH Min is used to reduce too high pH values. Available in 100 & 250 ml.
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...