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  1. Berserkergrow

    Peltier coolers-anyone tried using these?

    I bought 2 of these with heatsinks. They cool water and I tried one in a 5 gal DWC system. At first it did not work, because the heat sink was to small to give my the right temps. bought a 12v dc pump and a big heat sink and it keeps my temp in the bucket 55 to 58 all the time. I bought a temp...
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