I had a similar issue with my old 20g.
I did a 100% water change on it. Anything less than that yields you a point of diminishing returns. I wanted those nitrates gone (skimmer had broken and I ran it a little too long skimmerless).
Anyhow, it was fine after that.
Of course, I had no fish to worry about (just corals and an anemone), so that would be a complication if you had fish.
Maybe not so practical on larger tanks, but on a 20g it's definitely something that's do-able (just need a little coordination and planning).
__________________
-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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08-31-2004, 05:53 AM
Hybrid Mode
