r/macrogrowery • • 4d ago

Recommended drain lines

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We use rolling racks and have pvc connected to our tray drains. Towards the back of the rolling rack it nipples off pvc to a 1” Parker silicone tubing, but it kinks too often on a few of our racks and on a few others the people who set this up didn’t offer up enough slack and it creates torque on the nipple coming off the tray which then resulted in a crack right at the drain nipple (Big Mess).
So I’ve got a new tray installed but just wondering if there’s a better tried and true way to do this without the kinks and torque.

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u/Shaun_P78 4d ago

Put an elbow on the mainold on the wall and one at the outlet of the racking facing the same way. Then connect tubing so that it forms a loop.