I've only done soil and coco DWC growing so I really can't help with a drip system too much. Are you using Hydroton or rockwool. The media can affect drain-off EC and PH. I learned the hard way that it could be best to measure both and flush until both no loger affect running water/nutes through.



The more info you provide, the better someone can help you. Not trying to pull your chain or anything, just trying to be helpful.

No one here wants to give you bad advice.

M.P.
MerryPrankstr Reviewed by MerryPrankstr on . Need Help! PPM/PH problem Everytime after watering the PPM goes up. The reason being that the plants absorb more water than nutrient Im assuming. My question is should I add water to the RES to keep the PPM the same throughout the week even if the PPM went up a little bit or only if it goes up a lot? Another thing that Im worried about is that Im starting flowering next week and the lights are going to be off from 12am to 12 pm and watering comes on at 8 45am. So after it waters I need to adjust the PH. Would it Rating: 5