BE CAREFULL WHEN SPRAYING WATER ON AS THIS CAN ENCOURAGE MOLD TO GROW,AN YOU DON'T WANT BUD MOLD,AN YOU CAN BURN THE LEAVES WITH THE LIGHT ON THE WATER,I NEVER SPRAY MINE AT ALL AND I GET STRONG, HEALTHY PLANTS THAT PRODUCE PLENTY. HOPE THIS HELPS LOVE AN RESPECT SPLIFFBUILDER