AQUA ONE 02 PLUS OXYGEN BLOCK 20G

The Aqua One Block O2 Plus Oxygen 20g will add oxygen to aquarium and ponds. These blocks will slowly dissolve to replenish the oxygen and stabilise the pH in your aquarium water, maintaining a healthy environment for your fish. The Aqua One Block O2 Plus Oxygen 20g will start taking effect straight away.
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Specifications: 20g

Suitable For: Coldwater & Freshwater Tropical