http://boards.cannabis.com/hydroponi...-dwc-club.html

This is a TERRIFIC thread you will want to bookmark or something....not a brief read through but full of different ideas to change/update your system etc..... Hope it gives you some ideas.

Ps. I LOVE my stop valves.....they allow me to take the entire system apart down to each single unit and change the way they are set up, add or take away a pod or to stop the water flow to a section I want to work on. Worth every penny and I have big box full I keep on hand. :thumbsup: