the inst. on Bushmaster say at beginning of bloom,while some users wait up to two weeks.
if all else fails read the directions

Friend used Gravity,it made such hard rocks ya needed a jackhammer to break them up. might be better on a foxoytailed sativa

oh and the hydro folks say DNF stands for DOES NOT FLOWER
Daddynobucks Reviewed by Daddynobucks on . Foliar spraying When flowering, when is the best time? Rating: 5