If you don't have an on/off tank-
Screw 1st tank in slowly until it starts to hiss, then back it out so it seals again. Then screw in the other tank. Then screw 1st tank all the way in.
I'd also recommend using anti-siphons for a dual tank setup on a VM
Last edited by Chappy; 03-09-2007 at 10:30 AM.
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