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Old 09-28-2005, 01:11 AM   #1
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CPR BackPak Skimmer

I have a CPR BaKPak skimmer and I just moved my 50 gallon reef over to a 72 gallon tank. The skimmer was working fine then tonight I realised it wasnt producing any microbubbles and barely had any flow. I cleaned the Maxi Jet 1200 that powers it, and the intake and output tubes on the skimmer. After replacing the tubes and the power head the same thing happened. If I turned the air valve totally shut there is lots of flow but if I add just a little air I get no micro bubbles and not enough flow to power the skimmer.

I even swapped out the current maxi jet with another one in my reef and the same results. Any ideas what may cause this and how to fix it?
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Old 09-28-2005, 10:20 AM   #2
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Check the small tubes that go from the pump to the CPR unit. Sometimes crud gets built up in them. I replace mine with regular airline tubing periodically with great results.

HTH,
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Old 09-28-2005, 11:13 AM   #3
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For a couple months, I got huge salt creep INSIDE the tubing, right before it went into the MJ's 'venturi' connector. a couple squeezes would break it apart and then everything was cool.
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Old 09-28-2005, 03:09 PM   #4
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I would try replacing them. Also check the intakes on the pump and the CPR to ensure they are not blocked. Again I just use regular airline tubing and replace about every 6 months or so as needed.
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Old 09-29-2005, 10:43 AM   #5
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It was salt creep in the air line tubing. I replaced it and now it is working fine, Thanks a lot Guys!!!!
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Old 09-29-2005, 11:26 AM   #6
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Cool 8)
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