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RE: To Undergravel Filter or Not?
My 125G planted tank has never been better since turning off the UGF
about 20 months ago. It is still under the gravel, one of these days
I'll tear it down... <g>
Every time I cleaned the tank and vacuumed the gravel, my phosphate
levels would sky rocket. Had numerous algae problems. Since I've turned
the system off, my problems have disappeared. In fact, I regularly
(every 2 - 3 months) dose the tank with extra phosphate.
Just my .02 worth.