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The pH is mathematical reference for the amount of acids dissolved in water. The pH can have a value between 0 and 14. A low pH means the water is...

COLOMBO KH Plus - 100ml / 250ml The correct Carbonate Hardness (KH) is mandatory for clear pond water and healthy fish and plants as well as a st...

A correct General Hardness (GH) is essential for clear water. GH is a measurement for the total amount of dissolved minerals in the water; these m...

Bacto Start, bacteria for aquarium filters. Contains living bacteria which boost your filter and purification system.     Dosage: For new aquari...

COLOMBO Aqua Start (Tap Water Conditioner) - 100ml  Aqua Start removes harmful substances from tap water. Aqua Start binds heavy metals and other ...