wait for res change. what's the tds? top does look good, so you may be good, the lowest leaves won't be relevant in a few weeks, so if new growth is good, stick with what you're doing.Been keeping the PH in that range.
So you think it's just needingredients of catch them up on feeding?
I did withhold nutes until roots, and then started with a small amount and only did 3/4 strength this time.
Should I wait until I change the res this weekend or add in a couple drops of nutes now and then full strength when I replace
Here is a pic from this morning top leaves look good, jut the bottoms so hoping some more nitro will help you can see the bottom one a little
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I was worried about getting to 500 because that exceeds the recommended dose for a gallon res.Boost your ppm up to around 500 for plants that size. I rarely change nutes in DWC and just bump the ppm up with carefully measured doses of the nutes to reach and keep them at the level I want.
I only use good RO water, <25ppm, to top up then check ppm and use syringes to measure out each nute and squirt it into the tub to raise the ppm.
I've done DWC for 15 years so have run into most problems over the years.