Quote Originally Posted by khyberkitsune
That looks like damage from a lack of oxygen as everything else seems fine yet you make no mention of how well air is flowing (ditto the water, a failure of either part of the pump system and you'll have problems like this) - check your airstones. Make sure your water is highly saturated with tiny bubbles. Easiest way to check this is to feel your pump, if it's warm, something is likely restricting airflow.
Any suggestions on pump size and type of stones for 30 gallon resevoir . I will pick them up tommorrow .

Thank you
Noobiefarmer
noobiefarmer Reviewed by noobiefarmer on . Plant Problem (Nutrient Deficiency ? See Pics please ) Hello , I am having a problem with my plants . New growth looks good , but lower branches having issue . I think it might be nutrient burn , but was wondering if someone could look at my picture and tell me ? LED's 6 inches from tops Room is a/c 5 x 5 grow hut (reflective mylar inside) Lights off temp 70 F and 38 to 45 humidity Light on temp 78 F and 38 to 45 humidity 4 week veg just started 17 days flowering House and garden aqua flakes Ebb and gro 2 gallon buckets Rating: 5