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I only agree with half your opinion. I buy drivers stateside because of the ease and speed of warranty, and the driver is the pricey part of the light. When I buy boards I always buy 1 additional for back up. At $29. I consider QB boards disposable. I have never experienced a failure but if I...

Try Kingbright and see what they say

I own some of each. In my opinion there is no difference. Both lights get dimmed anyways. My advice is if your grow area is really moist then the H's might be beneficial. Plugged in and running you can't see a difference. Growing side by side you can't see any growth differences. I would save...

Another domestic source for meanwell drivers is Jameco Electronics. Usually a couple of dollars cheaper, and fast shipping. The only complaint would be some of the not so popular drivers they charge a tariff for. If it's in stock, they don't charge a tariff.

I have 1-320w Meijiu. Yes I like it. And it hasn't burned my house down yet.

HLG-80H-C700B

The colors don't matter if you are careful and understand what you are doing. My QB11's are all wired up with Yellow 18 ga. blasting wire. It's the wire they use to connect all of the blasting caps in a circuit. The other wire from the drivers to the lights I use sprinkler control cable from...

I run mine by Z wave and Alexa. I create different scenes to do different things. Like when the lights are out I will observe the humidity build up and then create scenes that control the fan when to turn on and how long I want it to run. I also have scenes for the red strips to come on before...

I got over UPS years ago. The one that did it was an item I tracked all day. The truck was 2 blocks over when I got notification that my package was delivered. I live 1/2 mile from my UPS hub. I drove over there showed her the notification and the app showing that the truck wasn't on my street...

Is a Calvin the same as a Kelvin?

I don't know when they'll understand it. I own some of both. Crank up either one of them over 90 watts, then you're blind and can't tell the difference. I can't run either of them wide open because the plants don't like it. So why would it matter if one was slightly brighter than the other, if...

Calling an item by a well known brand name is common practice. If I ask you for a Skilsaw, you know what I mean. Crescent Wrench? Jet Ski? Jacuzzi? Chapstick? Q tips? I could go on and on but I believe that I made my point. I see what you are saying about ripping of HLG but really it is paying...

Aluminum baking sheets at Walmart work well. 3 for about $22.

I have a question. I am getting ready to wire 4 QB11's in series and can't find any info on them. Each strip has a positive and a negative on each end. I assume they wire similar to the 288's? Thanks in advance, I think I know what I'm doing but would rather not burn my house down.

Depends on what strain you are growing, and type. Autos finish smaller and you can squeeze 3 or 4 into a 2x4 space. A full blown photo kush plant needs more than a 2x2 space. A single trained kush plant can fill a 2x4. I used to do 3 plants in a 2x4 but you will get a higher yield with 2...

My Meijiu heatsink has the hole. All it's for is looks, and a place to print their logo. It does not go all the way through the heatsink, they just cnc'd off the fins.

Long time lurker. Joined to give some insight into China's shipping from Kingbrite and Meijiu. I placed an order with Meijiu on Jan 27th. After a week I went ahead and placed an order with Kingbrite on Feb 5th. The KB order was only delayed a couple of days because of the chinese new years. But...