Humidity problems

[Bulls]

Leaving the runoff in the trays(but don't let the pots sit in the runoff) should rise the humidity. Veg at 18/6 schedule. Hps really dries out the air. Make sure plants are well watered daily with 20% runoff. Run your extraction at lowest speed. You can add intake to pull air from more humid place ( if living in UK outdoors is a good source lol) or the bathroom

[Bulls]

Just seen the photo that's too much light for these plants. Turn the 600w hps off and let them grow under the 315. Is it cdm?

[Nastyhabitz_]

Just seen the photo that's too much light for these plants. Turn the 600w hps off and let them grow under the 315. Is it cdm?

Yes mate cdm if only run the 315 the temp drops to low. I cant win

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[GMO]

Just seen the photo that's too much light for these plants. Turn the 600w hps off and let them grow under the 315. Is it cdm?

Yes mate cdm if only run the 315 the temp drops to low. I cant win

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Is 400w MH an option?

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[Nastyhabitz_]

Just seen the photo that's too much light for these plants. Turn the 600w hps off and let them grow under the 315. Is it cdm?

Yes mate cdm if only run the 315 the temp drops to low. I cant win

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Is 400w MH an option?

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Ive just turned the 600w down to 400w mate

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[Bulls]

Even at 250w the hps and the cdm should run warm enough to maintain proper temperature. Turn extraction to lowest mate

[Nastyhabitz_]

Even at 250w the hps and the cdm should run warm enough to maintain proper temperature. Turn extraction to lowest mate

Ive put it on timer mate now. Like @captain beefeheart said. Its a 8" hyper so even on minimum its very powerful

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[2-Scoops]

I struggle to see why low humidity of 30%+ would be causing this. Clueless as to what problem is though. My grow-room has always run around that in veg without any problems. Have you done anything else recently to the plants, maybe potted them up or topped them ?

[Bulls]

I personally don't think it was humidity related. I think it was light stress - 915 w over such young plants is overkill especially if light is close to them.

[kbag]

I personally don't think it was humidity related. I think it was light stress - 915 w over such young plants is overkill especially if light is close to them.

I agree bulls to much light and sudden change of environment has sent them into shock. I suggest putting a heater in there to warm it up and lesson the light until they start praying towards it then increase slowly.