need a plant doctor

A couple of my girls are bumming, outdoors in the ground using Advanced Heavy Harvest per instructions, PH measured just under 7 on the with the probe.
Also, well water 300 ppm

Any help woud be appreciated

I see what looks like a combination of defficiencies.I would lower your nute ph as close to 6.2 as possible and add a tsp of Epsom salts per gal.Imho too high a ph and incomplete nutes.Hopefully someone with your nute experience and outdoor experience chimes in.

well water has a bunch of stuff in it. The water we have here is very hard which means it has a lot of minerals in it. Get yourself a RO filtration system to get the PPM to less than 20 and then u can add in nutes without overdoing it. check out this site... http://www.marijuanapassion.com/forum/showthread.php?t=54277 ... Also not 100% sure but looks like youre outdoors and little spots might = insect damage. Are you using any repellents?

Thanks for the suggestions, I have been humping water to them everyday this year because of the lack of rain, maybe this had an effect on the ph as I know it is high out of the well.
I do have a RO setup for the girls indoors, I do not think it would keep up with the outdoor demands.
It is kind of strange that this problem would manifest itself in like two or three days though.
All of my girls were looking great up until a couple of days ago

Anyway, it is kind of ironic that growing a fucking weed could be so frustrating sometimes.

Ok...drought....Maybe your water table has lowered,leading to a higher concentration of ppms?Maybe it is a toxicity problem than my first thought of defficiency?If you have an RO unit then I would do a 50/50 well RO blend if your unit cannot keep up with full demands.
What other nutes are you using?Ever think about making a compost bin?