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by the way. Two boards fits within the driver voltage range. You can run those until the issue is resolved.

I learned my lesson years ago! No worries, you should be getting a full refund. You just wasted time.

Well I'm speechless. Got to be honest, never wired a qb board before. I'm surprised one is completely out and the others still run. Yeah wired it right. Bad board.

Are you sure they are running in series? If so, none of them should be working. If one dies, they all go out because the circuit is now open. Maybe you wired wrong? Can you draw a quick schematic of what you did?

Constant current means the set current is maintained no matter what as long as you stay within the voltage range.

It constant current with current adjustment. Io is the current adjustment knob.

If your current is below 1050mA then no need for a heatsink. Just to be clear, I'm talking about the bridgelux strips

Ok i'll bite i'm a chemist. I have a question first before I can understand what is going on. Did the liquid turn brown immediately after adding Athena ag cleanse or after adding the kagen water? Hypochlorous acid is the protonated form of bleach. I'd be interested if you do the experiment with...

I realized I put worst thing, I meant best thing. Sorry for confusion.

You want to run these drivers as close to 100% as possible. They get more efficient. So if it would work, it would be the worst thing. I doubt it would work though

Oh so they are dimmed of course. I chose the driver because it fit the number of strips perfectly. I went for a ceiling of light. Currently running at about 600 watts.

If all your interested in is lactic acid bacteria you can make it with rice wash and milk. I'll try to find a link. https://www.royalqueenseeds.com/blog-lactic-acid-bacteria-lab-boosts-potency-terpenes-and-yield-n1153

I'm personally a door guy. I would hate the garage door unless it was automatic. Why not build a locking system with a key? Dual protection for your space. You could install the magnets to help keep the door flush then a single lock in the middle to keep it safe.

Yeah thats pretty much what happened. I had the idea to raise and lower at first. But what a pain in the ass when they are so close together.

I personally dim with a raspi so I went with B. Either would work so you can go with both. I will let others chime in on the differences with the A version, as I have never worked with it.

You're looking at the wrong value in the datasheet. The LEDs will be run constant current so you need to look at the constant current voltage region, which is 18-36v. That is my understanding at least. Most drivers have a little wiggle room there, but not by much more than a volt. 38 volt may be...

The power works for me. of course, assuming you will hang the lights close to the tops of plants. I guess my biggest question is why have them all on one driver? Maybe separate into two 240h drivers incase one fails you won't be stuck in the dark. Just a contingency. Also, maybe get the B...

I have 4 2x2's in my tent static at the top. I love it. Reminds me of a greenhouse with the diffusion cover.

Not sure magnets would be raccoon proof. Hell, is anything raccoon proof? I can dig the locker idea, only one handle?

I remove and soak in vinegar after each run to keep them clean. I don't remember where I read it but it was recommended. The blumat won't need re-adjusting or anything. But from run to run I don't have clog issues. I also run from tap, so that could be part of it. With pressure reducer.