This is my first time growing a tomato (zenzei roma) and I'm a bit perplexed. It started off great and grew rapidly the first few weeks. Now, something is off. About half of the leaves (the more mature leaves) are curling up and in on themselves. New leaves keep coming, and those look happy until they get larger then they'll curl. While its not dying, overall growth seems to have stalled. From what I can tell, the conditions should be pretty good. Any thoughts? One observation: do the roots seem small compared to the plant size? See conditions below.

DLI (at top of plant) 23
15 hrs of light / day
Lights 12" above plant
Ph 6.85
EC 2.3
Water and air temp around 70
Humidity around 55 – 60

Thank you!

by DLEWIS9783

1 Comment

  1. bravesdayz2021

    It looks like root rot what’s your oxygen content in your water like? When I grew we would add small amounts of h2o2/hydrogen peroxide. It helps prevent bacteria from growing by oxygenating your water. Do not pour the hydrogen peroxide concentration straight into your tank dilute it first lots of videos on YouTube to help you figure out the amounts you need to add. If you want something a little more high tech you can get an oxygen generator. They use electrolysis to oxygenate the water. This is all separate from the air-stones as they do not provide enough oxygen and more help keep to grow strong routes by agitation. Also air stones can add a lot of heat to your system if your water temp is too high it could contribute to the bad bacteria forming. I recommend a 1/2-1hp chiller for your system if you don’t already have one.

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