Dying plants end of flower

Mr.Growman

New Member
Two of my three plants have dried up and seem to be dying.

1) PICTURE OF PLANT *** VERY IMPORTANT ***
2) Growing indoor or outdoors- indoors
3) Watering schedule- daily water top off
4) Growing Medium- DWC
5) What stage of growth- week 7 flower
6) lighting- one plant is under 1000w hps the other under 600w hps
7) temps got really low at night, in the 50's (two night), and 80's/90's during the day.

I think the plants went into shock from the temperature fluctuation. Almost all of the leaves dried up. It's odd that two plants died and the 3rd is healthy. The healthy plant was furthest from the window and cold winds.
The buds are hard, but not crumbling. The sugar leaves are dried on many of the buds. There are a lot of trichomes and they are still clear. Most of the pistols are still white. I am flushing them, even though they aren't drinking any water. I am going to chop them next week.

I think that's all for now...

What are your thoughts? What do you think is wrong? What should I do? Will the bud still be good?
Thank you

The last picture are the plants two weeks ago.
 

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That's not temperature shock, are you topping off everyday with water that's gone through a salt based water softener? Looks like the water has been sucked out of them.
 
Nice big buds. They look normal for over fed plants. Flush them but don't drown them and hope for the best. Use high ph water because I bet your ph is low now.
 
Holy shit that looks like salt toxicity to me. Good luck! Are you sure someone didn't pour bleach or salt into your res?
 
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