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Old 09-05-2012, 05:20 AM   #1
RichBenn
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Default How big an aquarium pump for HERMS mixing

Several threads here mention using an aquarium pump to effectively mix the HLT water in a HERMS setup. (to decrease temp variation and increase heat transfer).

So, the big question is "how big of a pump"? I'm seeing pumps like the whisper 10 (10 gallons), whisper 20 (20 gallons), etc. Anyone with any HERMS experience with these?

rich

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Old 09-05-2012, 04:45 PM   #2
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Quote:
Originally Posted by RichBenn
Several threads here mention using an aquarium pump to effectively mix the HLT water in a HERMS setup. (to decrease temp variation and increase heat transfer).

So, the big question is "how big of a pump"? I'm seeing pumps like the whisper 10 (10 gallons), whisper 20 (20 gallons), etc. Anyone with any HERMS experience with these?

rich
Should I try a different forum?
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Old 10-20-2012, 01:12 PM   #3
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Anyone with experience here? I'm also curious how they hold up to heat. I'm not a big fan of plastics leaching into my brewing water.

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Old 10-20-2012, 07:10 PM   #4
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The aquarium pump they are using is an air pump that just pumps bubbles. There should be no plastic to contaminate, you would use a food grade silicone hose to the bottom of the Hlt. They make different sizes. I would just get a medium size one with 2 tubes, then use a t to run both tubes into one silicone one.

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