If you're going to do the 3-on/3-off thing, double check that your rocks are under the waterline in the off cycle. I found I didn't have a high enough water level in my sump and thus had to go with a reduced flowrate that was on all the time.
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-- 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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