My plants die in different stages

Only damage the pen if it’s stored using RO …..

Forget the ph of RO water, with a ppm of 0 it has 0 carbonate hardness. It have nothing to buffer it’s ph and it will swing in either direction very easily. Add your nutrients then test. The nutrients will give the water it’s ph and that will give you something to test and adjust. Make sure you are adding them in the correct order, consult the manufacturer.

Thank you. I might have figured it out I use bleach to clean my system I’m thinking it’s coming from that. Maybe I’m getting build up it’s making my plants lock out nutrients. I was trouble shooting just process of elimination. My ph has always been in range and still was dying by not up taking nutrients

oddslim said:

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.

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Serial killer! Smh u not babysitting my girls. Lol
Can't help u with dwc but seriously sorry for your loss. Thats alot of time effort and money wasted.

oddslim said:

I might have figured it out I use bleach to clean my system I’m thinking it’s coming from that.

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I doubt thats your issue if you've been making it all the way to bloom. Plus once u add water it will have been diluted. People use h202 or bleach on there plants for root rot and oxygen. Back to the drawing board. Maybe your bloom nutes are tainted some how. Maybe light burn. I hear with multiple lights it's intensified in cross beam. Idk just guessing but hopefully u figure it out and stop the slaughter. R.i.p. to the fallin girls.

Don't think you said, what is your ppm after adding nutrients ?

Cheers

Skiderbee said:

Try to PH your water before you ad nutes

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He's using ro water. Testing b4 nutes won't work.