O2 Plus Blocks slowly dissolve to replenish the oxygen and stabilise the pH in your aquarium water, maintaining a healthy environment for your fish.
Replenish the Oxygen block when the original has dissolved.
Suitable for Goldfish & Tropical
Suitable Aquariums and Ponds
Treats up to 40 - 60 litres
Write Your Own Review
You have no items to compare.
I have been seeing the team at Majestic Aquariums since they first opened. I feel like part of the family. They have sure helped to ensure that my 5ft reef tank is the most beautiful tank in Sydney. - Russell Ward