Quote:
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Originally Posted by Les
For £35 I think Incoherent would think a very good pump
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I would.
Quote:
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Originally Posted by unregistered
...the relationship of quiet to testing
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Really there isn't any, except that the testbed is right below the bedroom and the tester is easily distracted.
At the moment I have an extremely quiet pump (Hydor Seltz S30) in series with a not so quiet pump (Hydor Seltz L30), when I need the higher flow I switch one or both on as needed. Currently I adjust flow with a valve on the pump outlet. I have been fairly careful to keep restriction to a minimum in the circuit, for example the water temperature sensors provide less restriction than the hose itself (10mm I.D. silicone). This requires heavy insulation but I have been working with the limitation of weak pumps.