My plant is sick - Any ideas on how to diagnose it?

[drayaz112]

Is it a closet grow? These things run fucken hot man I swear.

 

[GoldenGoose]

Yeah dude, I just checked the other bucket running leds, still hitting 30, theyre coming back but, even the tiny nearly dead ones got some new growth

 

[GoldenGoose]

 

[GoldenGoose]

Heres the setup

 

[drayaz112]

Heres the setup

What are those things? C02 canisters?

 

[GoldenGoose]

Ha na spacebuckets