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Algae on front glass
in my low-light (29 gal tall/30W) low tech (plain gravel substrate, no
supplementation except Flourish Excel) tank, I am getting algae growing on
the front glass only. It comes back within 2 days of being scrubbed off. It
is not the green spot algae - it covers the glass smoothly, not in spots,
and is easy to rub off even with the side of my hand. It's a lighter green
than the gsa, almost a milky green when viewed from the outside of the tank
- it's a light green when viewed through the water side of the tank. It
started to get bad a few months ago. The tank wouldn't get any direct sun
even if we had any (I'm in the Pacific Northwets).
thanks for help.
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