Depends on the size of the reactor, 80bpm might be normal. When I had my larger reactor I had bubble rates around 120-150bpm, but with my smaller reactor (probably about 2l of media) I have it around 30bpm. The flipside to a smaller reactor is I have to refill it more often, but I don't mind.
I run my reactor at a pH of 6.7. You can get away with a lower pH but the more you lower it, the softer the media gets. Once it turns to mush you pretty much have to throw it out because the pump has a harder time pushing water through it.
You can also get away with a higher pH but you might have a harder time maintaining levels in the tank.
I find that 6.7 is a happy medium though.
__________________
-- 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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02-29-2008, 08:19 PM
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