The Wavereef Colour Changing CO2 Scrubber Media is a 1kg external filter specifically designed for marine aquariums. This CO2 filter media helps maintain water clarity and health by efficiently removing carbon dioxide from the aquarium. The media's colour-changing capabilities indicate its effectiveness in absorbing CO2, providing a convenient way to monitor and maintain the water quality in your aquarium. Ideal for fish tank enthusiasts looking to improve the overall environment for their aquatic pets.
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