From flouro's to 1000w hps,would this explain the yellowing of the bottom growth?

dreadful1

Active Member
I actually did a little light pruning and changed my lighting,bottom leaves are sagging and turning yellow now....everything was ok till then just wondering if this is normal with the flowering switch,lighting change,and pruning....maybe to much at once??
 

dreadful1

Active Member
All my levels are fine so I'm not sure whats up. Is it common for this to happen after one or all of the changes I made?
 
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