Mildew?

Discussion in 'First Time Marijuana Growers' started by djh094, Jul 11, 2019.

  1. HI all just noticed some white mildew looking substance on my 2 week old seedlings I’ve been doing some troubleshooting and they didn’t have the best start under a 600w hps lamp I recently transitioned to a 1000w led i have one standing tower fan 4 dehumidifier boxes, a stationary mini fan pointed at the plants and an air intake which was hooked up next to an open window, do you think this might Ben why the mildew has appeared? I’ve moved it onto the floor of the connecting room. Will they need more fresh air?
     

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