what problem or deficiency soes my plants have?

I have 2 plants that are in the 4th week of flowering and about a week ago my plants new growth started to turn a pale yellow color and on some of the leaves, the tips are turning white. They are being grown in fox farm soil and getting fox farm nutes and molasses. At first i thought it was a magnesium deficiency so i gave it some epsom salt but that did nothing. So can anyone help me out witth this problem?

Looks like you have some light bleaching going on there. What kind of lights are you running?

looks like your starting to get a lockout of iron or phos or mag. im thinking you need to get your ph at the correct range . and your medium might be staying to wet from overwatering,which causes lockout also. give it a good flush and renute quarter strength and get your ph at 5.7-6.3 no more no less

The plants are under 2 150w mh right now. A couple days ago i did flush the plants and im just waiting for the soil to dry up so i can give them a feed of nutes. Before i flushed my plants i folier fed them chelated iron but that didnt help ether

bump....
anyone else