Controller Tetra PH/PK Minus

Liquid water treatment for controlled reduction of pH and KH levels in your aquarium.

This Tetra product brings the pH and carbonate hardness of aquarium water down to desirable values for the majority of your species. pH and carbonate hardness are precisely adjusted. Promotes plant growth by releasing CO2. Very easy to use, it is suitable for all tropical freshwater and seawater aquariums.