My plants die in different stages

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oddslim

New Member
I grow Dwc recently my plants keep dying in different stages of my grow. I use Ro water with a ph of 8.5-9 with ppm 0 I don’t know why my ph is high. I run my systems at 6.0 water temperature 65-68 degrees room temperature 78-80 degrees. My plants start yellowing in the top middle of plant then leaves then turn brown and die. It’s been 4 runs in a row. I changed everything air stones, tubing,pebbles and ph liquid EE195AFF-912E-488C-A3FA-D8DCACC25D8E.jpegEE195AFF-912E-488C-A3FA-D8DCACC25D8E.jpegEE195AFF-912E-488C-A3FA-D8DCACC25D8E.jpeg19B8C494-C182-4305-AE13-3195B0D8F16C.jpegD9401B12-3847-4DD7-8CC8-B6CD29F3B7F1.jpeg19B8C494-C182-4305-AE13-3195B0D8F16C.jpeg
 

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oddslim

New Member
I been running with ro water with no issues it’s been recently I been having issues I been ruling different things out. I use current culture nutrients with much success I don’t think it’s that
 
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oddslim

New Member
I changed from pebbles to 3.75 clone collars then went back to pebbles thinking that was the problem. I changed ph liquid. I changed my tubing that runs my system.
 
Jjgrow420

Jjgrow420

Well-Known Member
Your chasing ph in water you can't read with a pen. That's your problem. You need a small ec to be able to use a pen in it. You're also damaging your pen using it in ro water.
 
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