Quote Originally Posted by Thuwadpumper
OK, I get it, so you're using the bigger air pump on the column tubing at full force but then you're regulating/controlling the flow of the water using the 1/2" stop valve on the res. so that's how you're controlling the flow of water through each wf module? right? I need to buy you a beer...or 20!

Sounds like you got it to me......yes to control/regulate the water flow. Love to say I thought of it myself; but it was really my hydro guy.

Happy growing!