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where to set the flow rate to on the regulator??? It doesn't say in the instructions. My guess is wide open??? Thanks for your input.

The guy at GH said run it 24/7 while the lights are on. I've got a chiller so temp isn't an issue. Anyone have any scientific evidence in the 24/7 vs. 1 min on/ 5 min off with a cycle timer debate??? I'd love to hear about it if you do. Thanks.

I called GH and dude said run it 24/7 when the lights are on. I'm still skeptical of the need for 24/7 though. I love the 1 min on/4 min off. Thanks.

Can one of you AeroFlo2 guys/gals fill me in on the optimum pump on/off setting. In the past I did half hour on/half hour off but I recall reading (can't find the thread) that some use much less than that i.e. 1 minute on/20 minutes off??? I thought the object was to have the roots bathed in a...