So this ^^^Hello and welcome! It looks like your plants are growing right up into your light, which can certainly make them crispy. Any room to raise that light up a bit?
No more space. Turned down lights…but same temps and distance for a week, no issues…thinking it’s N toxicity.So this ^^^
Been using GH flora series low-mid feed chart. Did add 5ml/5gallon of HydroGuard, only thing that changed.List everything you have put into your res since your last res change. What re your ppms this week compared to 2 weeks ago. Sterile or live? How big is that room, what kind of light? What is your room temp and water temp? How big is your res? Is this recircullation? What are your ppms and ph? Can we see a picture of the roots. How much water does your system hold. What is your lux(google play app) at the top of the top node, and middle of the plant.
Lots of info needed to get you lined out quick.
Probably off chasing a mermaid.No he hasn’t. Buddy of mine here in town. Plants looks sprayed and burnt to me too. But they were fine this morning at lights on. If it was soil I’d help fix it lol. Where’s aqua man?
Ppm of added water was always around 1100, but tested res before added new and it was super high, like 4000. I emptied all the after and just added PH 6.0 water, 27 ppm. Plants still look bad this morning….guess I could rinse the roots off with same water from the top. Sucks how these went from super stars to sad girls now…again, INLY thing different was HydoGuard, which I’m an idiot for doing anything different to healthy plant.If its a N toxicity then your ppms will slowly be increasing, your have yet to list your ppm numbers. As long as your ppms slowly drop, you wont have a toxicity if your following the flora chart at half strength.
What does those roots look like? If they are fine, and your ppm is dropping, its the light being too close as the others mentioned. If you cannot raise it, defoliate alot of the upper fan leafs to allow light down below.
I would try to pull them down too, and posibly remove some of the lower sites.
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