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
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I told them that I want the most amazing tank that they have ever built and would you believe it? Thats what I got! My huge reef tank has it all and I love it! I am sure that only Majestic Aquariums could have pulled this off. - Peter Halloran