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What are you guys using for timers to shut off your QBs. I've noticed a lot say not for use with digital ballasts. Is that what a meanwell is? Also will need a potentiometer for a hlg480-c2100 running 4* qb 288 v2's. Where can I get one of those online?

A hlg480-c2100 will power 4* qb 288s correct. I plan on diming it down for my 3*3 tent. Was going to get a 600-54 but then I can only dim down so much and the 480 is about 50 cheaper.

I think I got the idea guys. Two 6" fans, one pulling from adjacent Central aired/heated room kept between 68-72 pulling thru a help filter with a backflow damper to prevent the smell from escaping, venting out to my garage via a carbon filter they ducting to a 6" dryer vent with damper to also...

If I have a 6" can fan pulling thru a carbon filter to exhaust the air out of my grow room. Will the negative air pressure be enough to overcome an inlet hepa filter like an ideal air 6" box? Or will I need two fans, one for exhaust and intake?

It's already painted too . Is it worth it to line with reflective mylar. Also it wraps underneath the lower stairs as it's a split stair case. Should I try to make the space smaller where I won't be growing per se. Also concerned with the high humidity in the room itself. Was going to get a...

I'm not worried about getting the air out. I'm very handy and can run vents etc it be only thru one wall. Originally planned on setting up a 5x5 in our den but then it be out in the open. Wifey wasnt to keen on all our visitors knowing we're growing. So I moved to a closet and was going to run...

Ok so I have a small closet under our stairs that the wife will let me use to grow. Only problem is it's only 3x3x6' tall and then tapers down with the steps. I've looked at tents but most have venting on the sides so I'd have to run a smaller tent say 2x2.5. My other option is to block off the...

Hey guys looking for some advice. I can grow in the closet under my stairs. Got about 3x3x6 before it slopes downward. One thing I'm trying to figure out is how to access the plants and set up ventilation. Most tents ive seen come out the sides, mine will be right up against a wall. I'd hate to...

3* 240 would be a bit much I think. That's a little over 700watts... This is going in a 4*4. Most already dial back the be 550 a bit. I was just trying to get similar power with better coverage. Hence going with 6 boards vs the 4. Then I compared the 320xl as being good for a 2*4 then ideally...

Any other insight? Also can I wire both diming circuits from two power supplies to one dimmer... Instead of a 10kohm up to 20kohm?

What did you power three boards with and why?

Ok that makes sense. Thanks!

Ok trying to nail down my setup and not sure if it'll all work out properly so looking here for advice. I want to run 6* qb 288 v2's at 3000k for a veg/flowerb light My question is what is the best way to power it. Can one 600hlg-54b power all 6? To my understanding it can if wired in...