Plants are having a slight problem and could use some advice

DennyD

Member
My leaves are becoming slightly pale in color, some are curling under a little, the older leaves have tip burn, and even the new leaf growth comes out yellowing slightly.
I did a flush, nute levels were high but I've grown the same way many times and never had a nute lockout.
The only thing that is different is that I stopped using distilled water and started using water from a R/O system. I thought it was ok to use reverse osmosis water. I would like to hear what anyone thinks.
 
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