How do I fix low pH in my fish tank?
How do I fix low pH in my fish tank?
How to raise pH in aquariums:
Use reverse osmosis (RO) or deionized (DI) water to create the desired pH and buffering.
Use crushed coral or dolomite gravel for substrate.
Decorate your aquarium with limestone or coral rock.
Fill a mesh media bag with crushed coral or dolomite gravel and place it in your filter.