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plants covered with brown film
My plants tend to last for a few months before they are covered with a brown
layer that is unappealing and can't be wiped off. I think it inhibits their
photosynthesis, too, because they lose health, and I am forced to uproot
them. It always happens gradually. I know it is most likely some sort of
algae, but I have heard there is a non-algae type of brown film that can
form in tanks. I have two 5" Siamese Flying Foxes that keep the (29g) tank
clean of everything but the brown. The tank has been established for a year
and the water quality is good, biweekly changes, and lighting with a
vita-light. I can't solve the problem and I am trying to keep my next new
batch of plants fresh and green. Has anyone else had this problem? If so,
please help!