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personal protective equipment?

Use a dehumidifier.

You might give Fish Sh!t a run for their money :bigjoint:

either not enough food or too much light, or both.

kitty litter buckets

Speaking on the 150w version sir. Plz read the whole statement next time.

they make a better heater than light source, and bulb choice is crap.

these what you're looking for? https://www.amazon.com/Stainless-Hanging-Holders-Outdoor-Aquarium/dp/B07Q3TV3VK

what driver are you using? @Frank Nitty

Looking at the datasheet for the 320-48 it states adjustable current as 3.35-6.7a. So if parallel wired 2 boards i would have 1.675-3.35a at each board? could set that current pot limit to 6a easily enough... I want to order the boards tomorrow so guys please give me your best thoughts on if...

hlg-320-48ab puts out 50v max. So i'm asking.

I understand those are recommended. Already have the 48v and want to know if they will light the boards properly/efficiently.

will 2x or 3x qb288 rspec boards work on HLG-320-48ab driver? already have the drivers is why i'm asking, i realize they're not ideal, but could save $200...

depending on your light, that may be way too close. hard to say without knowing your setup. never mind, just stalked your other posts. i see you're in a small pc case. best of luck to you.

how close is your light can we see a current pic in white light plz?

i'd buy a spare ballast instead.

Dude, for a supernoob, those plants look really good ! The damage on the lower leaves of the second plant look like calmag problems. What are you feeding, in your coco/soil mix ?

temps way too low for led there is none or not enough IR to produce any heat, thus slowing transpiration to a crawl. try getting it up around 80F what's the distance from light to canopy?

power back up? all good?

open the space and use battery fans (if smell can be tolerated) hang a battery lantern to keep light schedule minimum go in there and shine a flashlight around for a while to stop the buildup of floragen