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Showing results for tags 'fuzz'.
There is some white fuzz-like film covering my rocks (yellow areas in the picture). It's honestly difficult to see in pictures, it simply makes the rocks appear lighter in colour. If I brush the film off the rocks, it comes off as tiny white hairs floating in the water. This film seems to grow into larger fibre/filaments in certain spots (red areas in the picture). Anybody knows what it could be? Can/should I do something about it? Thanks a lot!