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We have a flood to drain system set up on a timer. I will give them 1/4 strength nutes today. I agree-- they aren't a nice dark green yet. Thank you, everyone, for the help.

I flushed them with pH 6 water for a day last Saturday, then just little bits of pH 6 water all week and they look better...just a few remaining dying leaves from the original problem. I've not given them any nutes yet. So...some of the replies said I should be giving them low strength nutes...

Thank you.

I've unsuccessfully grown before. I've just flushed them with 5.9 water. I have covered them so the algae dies. Thank you for the reply.

I always adjust the ph for nutes to 6.0. The lights are 18 inches above tops of the plants. It's about 70 degrees in the grow room. I did decrease the light three days ago to 18 on/ 6 dark.

Please, help me! My seedlings look sick I put the seeds into Grodan plugs in a covered seed starter on 12/22 The first sprouts popped around 12/25 Around 12/31 I put the seedlings under my T5 for 24 hour light 3 days ago, I transplanted them into larger grodan cubes. They all had white roots...