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Iv'e read this, I've always only grown with LED. Never ever had an issue until recently. 4 bad plants out prob 80 ain't bad i'd say.

This is interesting. This is a new prob for me, I have been growing for 7-8 years and have never run into this. I literally replaced everything (except the light but thats only a year old) I will try to raise the ec to see if this works. I appreciate all your help and guidance. Thank you. Also I...

Spider Farmer - SF-2000 running about 18 inch off the plants (2) running at 100% power /18/6 hour

Thank you for your help. It's much appreciated and good to know I am not going too crazy.

Thank you. I will try some cal mag and upping the nutes. I change the res every week and pump out old and bring in new

I have not significantly increased the feed. Most early weeks all call for similar amounts if you go by the TPS provided feed chart, so no significant increase in feed. Yes the failed plants all followed a similar process. I'd would say the new leaves look good for a few days as they mature then...

Thank you for the replay. My apologies 75F is the daytime (I put the night flux there)

I have not significantly increased the feed. Most early weeks all call for similar amounts if you go by the TPS provided feed chart, so no significant increase in feed. Yes the failed plants all followed a similar process. I'd would say the new leaves look good for a few days as they mature then...

Thank you for the reply: Yes they are in the water and Photo

Running a 2 bucket RDWC with a chiller. (I live where its hot even in winter). I cannot diagnose the problem here and would love some help or guidance. This is the 4th plant that has started to yellow. I have adjusted everything I can think of...Raising and lowering the light, light strength...

Thank you, I heard that but thought I would check here first. I appreciate the help.

Have a plant she's def a female but isn't flowering on schedule with the rest. I am running a RDWC 4 system setup. 3/4 are doing great but one of them, tho healthy and happy, growing away isn't wanting to flower. Any ideas? Entering the 3rd week of flower cycle. Thanks so much!

Yep I think so! managed it down to ec 1.1 and ph 5.6. TY for the reply

Ah thank you for the pics and info. Everything back down 1.1 and 5.7.

This was my thought so thank you. I read the below info as well. I'm gonna draw down the EC to 1.0.-1.2. Is pH good at 5.5-6?

Wow, that's good to know, thank you! I never had any reason to do that but something is def different with this system. Roots are perfectly white, no isuue's at all.

Could it be nute burn? EC was 1.8 last week and current sitting at 1.4 now. Ph 5.7

Any advice anyone? Looks like it could be anything from Mag to Cal to Pho. I have no idea and nothing has corrected the issue. Using GH standard feed in a RDWC system. Starting week 3 Veg. 60% humidity 68-degree water temp.

They're clean nice and white

Bought these plants as teens. Running RDWC with waterfall, using GH and mid aggressive chart for nutes. Cannot figure out what's happening. I received them in soil which I tried to strip slowly finding rock wool underneath. put them and let them go. This is week 3 I have had them so assuming I...