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  1. #11
    Greg Davis's Avatar
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    I use a cheap submersible aquarium pump made for reptile tanks and it works fine. It was the same model but half the price of pumps for fish tanks.
    www.gregorytdavis.com

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  2. #12

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    An aquarium pump does help circulate water. There is a flow of water rising up along with the bubbles. But I'm not sure how effective this would be in a shallow tray.
    "Far more critical than what we know or do not know is what we do not want to know." - Eric Hoffer

  3. #13

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    I use a small and cheap (around 5$) aquarium water pump to circulate water in my CPE2. Works nicely, got it from eBay.

  4. #14

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    A submersible fountain pump works well for this purpose. You can get them in all different sizes.

  5. #15

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    Cooler Pump

    I use an evaporative cooler "swamp cooler" circulation pump which costs less than $20 in any hardware store in southern arizona. Works great.

  6. #16

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    I have been using my pump from a wet saw and it works great. Now i just have to remember to put it back when i have a tile job to do!

  7. #17
    JBrunner's Avatar
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    I circulate the water in my 8ft darkroom sink with two medium size aquarium "power heads". Temp is maintained by a 200w unbreakable aquarium heater. Works fine in the 60-65ish all the time basement.

  8. #18

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    I just ran across this thread. You can use an aquarium pump or even a pond pump. The larger ones are rated in GPH (gallons per hour). When I had my 100 gallon aquarium setup, I ran one 300 GPH Flugal external pump in a sealed canister with one inlet and one outlet 1/2inch hose circulating the water. I also used two temp adjusting heaters to keep the water at a constant 88 degrees F.

    Pond pumps can even be purchased at Home Depot or Lowe's stateside. Little Giant is one of the better brands. Also, check auction sites for cheap used equipment as people are always upgrading equipment or taking down their tanks or ponds.

  9. #19
    clayne's Avatar
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    I use hot tap water that I measure around 100f and leave the chems and tanks in a slow flowing bath.
    Stop worrying about grain, resolution, sharpness, and everything else that doesn't have a damn thing to do with substance.

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  10. #20

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    That's from the Durst Printo: the circulation is provided by the large roller.
    Last edited by Renato Tonelli; 10-22-2010 at 08:34 AM. Click to view previous post history. Reason: sp

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