Aye guys I had a prob with gnats but got it t ooken care of but I had to skip a feed of course but last friday I gave them nutrientse. Now its almost friday agin an I notice yellow edges some burnt. I think it might b the Hp2 im using I think I migh have to cut back half as it recommends 1tbs per a gallon. Other nutrients I use is budda grow an the standard 2tbs