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i havnt had alot of time to deal with my 400w room lately, and the plants have gone wild!! there at the 3 weeks stage, but have grown to over 5ft already. the main stems have now grown into the light, and are preventing the rest of the plant from getting as much light. would it be ok to chop the top of the plant off so the rest of the plants get more light? or would this do more harm than good?. i figured it would cause the plants to stress, but they are getting stress anyway due to now unstoppable leaf burn