If that's DWC I have a hard time seeing those plants with enough roots to actually reach water.

Also just noticed- you've got no air movement or exhaust (passive isn't an exhaust type unless you are using convection currents and that is a complicated setup used only in greenhouses) and you don't know what the air temperature is.

Get a thermometer in there and a proper exhaust with a fan. Upcurled leaf edges are a sign of acute heat stress and desiccation.