Are there any commin signs of overwatering? i may have slightily overwatered my plants, but they are about 6 weeks old and they were growing strong, i usuallyu only water them once a week, now the leaves look swollen darker green and the bottom two single leaves are dying and falling off.. any help?

You didnt search for over watering did you? The leaves will kinda droop down and usually turn yellow. Just let them dry out good before watering. I usually wait till the plant gets droopy from lack of water before I water an over watered plant again.

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no i did not use the search function alothough i have been looking around for answers.

I've got 5 plants growing in a trough abt 4 feet long and 1 foot wide, with a cool white flouro hanging above them about 1 1/2 inch to 2 inches from the tops, im using Scotts potting soil with osmocote slow release plant food. my plants were doing very good until the day i spoke of they stopped growing at all. the biggest turned dark green, one looks like all the leaves are drooping and it's dying, is there anything i can do to save these plants?