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Re: [compost_tea] Compressor as an aerator?



Scott - Painters AC pumps are designed to put out 100+ - psi usually with oiled piston pumps.  You need 1 to 3 psi,  1 to 2 CFM and no oil. and about 1/10 hp or less.  Diaphragm pumps are a safe choice.  Will your cheap second hand pump cost you more in electroc power and produce inferior tea becauses of oil?  Maybe. At least put in a big filter to absorb oil.  Good  brewing,  Bob    

 Scott Alexander <daylily@bigpond.com> wrote:

My spa pool air pump "worked itself to death" and is too expensive to repair
so now I'm reverting back to using the spa pool aerator which works on the
venturi system. The fungi and I don't like the idea of CT going through a
pump so I'm looking for another inexpensive alternative. While in a
second-hand shop today checking out their books, I spotted a compressor of
the type that spray painters use. It seemed to be in good condition, has a
1/4 hp electric motor, and is cheap.
Has anybody in the CT group used a compressor to aerate their tea?

Thanks Kirk for the USDA soil biology primer web address. The internet
daylily group is worrying about "crown rot" again so I'll suggest they read
about the soil food web (for about the 10th time I've done this) before they
start making up even more ridiculous reasons why daylilies die!

Scott Alexander



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