The heat and MH being so close was probably a bit too much for them. Probably best to keep them under the T5's until they're a little more established. How big are the seedlings now? Got any pics?
thermite Reviewed by thermite on . Two week old seedlings look bad after 24 hours under 400 watt MH. HELP Please Ive got 5 aprox 2 week old seedlings that have taken off well under a 2ft 4 bulb t5 fixture. Yesterday I set up my 400W MH in a cool tube and placed it aprox 12-16 inches away from the plants. I had a little bout with heat for a few hours that I fixed quickly, temps got and stayed around 83-87 for around 5 hours before I realized/permanently fixed the problem. After 24 hours the two biggest seedlings look very droopy. Two of the smaller ones their top leaves are slightly curled up with a Rating: 5