Oops!

[Builder0101]

were fine yesterday. Been upong the PPM
Fed them pretty hard last night.
Is it possible to cause so much damage overnight with nutes?
2nd to Last photo is of the half of one plant that is showing no issues as of yet.
Last photo is of plant that shows no damage at all.

 

[derek420colorado]

Yes you can burn them overnight. I would flush each affected plant with 3X the volume of the container, then wait a couple days and feed again

 

[Builder0101]

Yes you can burn them overnight. I would flush each affected plant with 3X the volume of the container, then wait a couple days and feed again

Ya. I ran a couple gallons through them as soon as i saw it. It is possible they had a little damage yesterday and I did not notice. I inspect my plants pretty close so I don't think so.

 

[Mañ'O'Green]

In hydro you can burn them in a few hours! Not that I have ever done that much . When I first started DWC I outright killed some plants with PH at 4.3 for two days with a bad PH pen. I used to think pushing them with nutrients was the way to go. I almost never exceed 800 PPMs now and Veg is around 500.

 

[Builder0101]

In hydro you can burn them in a few hours! Not that I have ever done that much . When I first started DWC I outright killed some plants with PH at 4.3 for two days with a bad PH pen. I used to think pushing them with nutrients was the way to go. I almost never exceed 800 PPMs now and Veg is around 500.

I went 895 night b4 last. Never went over 675 b4 that. Hopefully i did not kill my 50" tall Sativa Autoflower.

 

[Mañ'O'Green]

It looks like a P-K deficiency but since you are pushing them it is more likely excess nutrients or PH. What is the PH in the root zone?

 

[Builder0101]

6.0
Ya this was overnight. So it is a burn I am sure. I ran a couple gallond of water through them and had to leave. I cant see them again until tonight. Fingers crossed.