pH Neutraliser Block 20g - Serenity

Serenity pH blocks slowly dissolve in the aquarium to help hold the water at your chosen pH, releasing minerals as they go.

Options

• pH6: for soft, acidic water fish
• pH7: holds water near neutral
• pH8: for hard, alkaline water fish

How to use

• First bring the water to the desired pH, then use the block to maintain it
• Place the whole block in the aquarium
• One 20g block suits up to 120L
• Replace once fully dissolved