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#1
04-18-2007, 05:08 AM
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Hey Chin, yeah, actually I went and bought some acrylic tubing a couple weeks ago to try that mod too. I just haven't done it yet because I might have to reconfigure the pump on the skimmer to accomodate the spacing. Basically I'll have to patch one hole and drill a new one.
It seems that most meshwheels have the venturi as vertical. I have my pump oriented that way but the venturi itself horizontal before a 90 degree elbow. I'm thinking that's suboptimal but it's what I could do at the moment. Nevertheless I'm getting an inch of skimmate every 12 hours. This skimmer has never done so well !! It's a little weak though (think green tea colour instead of the desired Coca-cola colour). I might step my feed pump down to increase the recirculation contact time. Currently my feed pump is a MJ12 (before all this I was feeding it directly via the overflows, .. this seems to be an no-longer-recommended approach .. too difficult to adjust for a consistent foam production). Doug, yes you're correct, skimming will work to reduce salinity. The effect is negligible though (well .. at least, easy to compensate with your regular water changes) unless you're pulling out significant volumes of water. My other tank, between the salt creep and the skimming, will lose about a point or two per month. Easily fixed with an extra cup of salt in my makeup water though.
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-- Tony My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee! 
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#2
04-22-2007, 04:51 PM
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Hey guys. Is the venturi mod only recommended for recirculating skimmers or would this improve on any pump that had the meshwheel mod?
Are you using this mod instead of pushing air with an air pump? Where's the best place to buy the black screw fitting and the venturi nipple from? Is the PVC in that picture just to show you how the mod works or do you attach that to the pump intake somehow? (probably a stupid question but just want to make sure) Also I didn't see an answer from anyone if you think a dremel could be used to cut the needles of the needle wheel or if a blade would work better. Sorry for all the questions. Thanks.
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Jason Last edited by Jaws; 04-22-2007 at 04:55 PM.
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