Quote:
Originally Posted by Delphinus
Is it variable flow? I tried a peristaltic pump once but it was one speed and too fast for what I needed. The only way you could control it is with cycling it on or off and that was beyond my capabilities..
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You nailed it exactly. It is fixed flow. I'll control the amount with a timer function on the controller (Aquatronica).
There are variable rate pumps available but they can get VERY expensive. The least pricey variable rate pumps are really just fixed flow pumps with timers built in.