This is a 20g Aquatopia Oxygren Block for freshwater aquariums. The oxygen block will dissolve slowly in water to release ingredients that will help maintain a healthy environment for your fish. As the oxygen block dissolves in your aquarium it will replenish the oxygen supply. Replace the block with a new one when it has almomst dissolved. This product will also help stabilise the pH of your water.

Dosage

Use one section of the block per 20 litres of water. Once complete block will treat 120 litres.

How to Calculate Tank Capacity

Length (cm) x Width (cm) x Depth (cm) and divide by 1000 for litres.

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