What to do if you have brown plaque in the aquarium

What to do if you have brown plaque in the aquarium

Very frequently, aquarium owners who have been caring for and maintaining their aquariums are confronted with an unpleasant phenomenon: a difficult-to-clean brown film appears on the insides of the walls, on stones, and on objects that have been decorated with underwater decor. The slimy coating has a repulsive effect on the viewer, detracting from the …

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