The Juwel Nitrate Removal Sponge contains bacteria, which will after a while reduce the nitrate level in the aquarium significantly. Having removed the nitrates, which is the nutrient for the algae, they will starve or not even start to develop of this in turn will enhance the vitality of fish and plants.
- Antonis R. wrote about Juwel Nitrax -nitrate remover in 2020:
Works as it should!
Stig B. wrote about Juwel Nitrax -nitrate remover in 2015:
Really keeps the nitrate levels practically zero
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