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Originally Posted by jhale  |  | | | | | | | | | question
guys with the ati's that have the gate valve mod, how open do you have it set? | |  | |  | |
My skimmer in in 7 to 8 " of water ,gate valve is closed 2 full turns
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It's sitting in 8 inches of water with an Auto Top Off so that depth never changes. I keep the gatevalve all the way open, and there's only one pump! (It's a BM200)
I haven't hooked my air meter up to it yet as I honestly haven't cared what the specs are. With skimmate production like that, what does it matter? 
I'm very happy with this skimmer.
I too wonder why Ronen's skimmer(s) don't pull like mine do. All I can figure is that I use less rock and more flow. I also don't keep a DSB. In Ronen's tank I imagine more waste is trapped in his rockwork where it is broken down, whereas in my tank it's skimmed out before it can break down. Deep's DSB counteracts any "nitrate factory" that his rockwork causes ?
Maybe. | | | | | | |
My tank is too clean for a skimmer
jking
Im hoping rich will get to the bottom of this .
Funny thing ,I cleaned out my Das last nite ,and i have more skimmate in there from my selling tanks then the ATI ,this is the same thing that happen with the DAS when it was on the DT =,didntproduce half the skimmate that its producing now thts on the selling tank,
I still can not figure out why .I have 13 fish in my DT ,feed once a day ,i do have 100micron filter bag on the drain at all times