my diy protein skimmer

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Addlewood

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Original poster
Apr 17, 2014
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Kansas
I built my own skimmer and then moved the air wand up into the bottle but now I'm wondering if I need a hole in the top to let water into it or is an open bottom going to do a good enough job for the tank. I've gotten some waste in the canister on top and I have put in a tube that goes to a jar for easy cleaning which has waste too.
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greech

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May 13, 2009
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Graham
If you are referring to a hole at the top of the bottle, then no. You want the air bubbles to stay in the bottle and then up the neck.
 

Addlewood

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Original poster
Apr 17, 2014
149
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Kansas
and the water doesn't need to have an exit at the top? When I looked at diagrams of skimmers they had an exit for the water too, is that just for the ones with more then an air pump?
 

greech

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May 13, 2009
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Many skimmers have small holes at the top of the collection cup to vent air and keep the lid on if it overflows. I don't think you have enough air to make a difference but you could put some small holes in the collection cup "lid. Might help a little with performance.
 
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