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What kind of driver and heatsink does it have?

You can disrupt other electronics. You can test for it using an AM radio. I can hear it when the meanwells are on and it goes away when they shut off. If the rf noise is bad enough you could triangulate by driving around a neighborhood

You may be looking at 448g come harvest time

I'll save you some trouble, led drivers put off rf noise too. Find an old magnetic ballast and use that

Can you do readings with and without the glass?

I just let my fans run all the time (arctic alpine 11 plus with cxa3070). I figured I would have less chances of them failing to turn on.

Thats good to know

I dont think the 3590 with the chip holder fits on the alpine 11.

100k potentiometer for each driver or one 50k if you want to run both off the same dimmer

Make the intake holes twice the surface area of the exhaust. Check out tastyled or pacific lighting for some prebuilt units. Building one yourself wouldn't be hard either if you have basic electrical knowledge. A simple one plant light could be built with: One Cree cxb-3590 3500k One Meanwell...

I'm in the same boat. Cxa's and dimmable drivers got me out of a rut and growing year round. I route warm air from my veg area into the flower area for warmth in the winter and turn everything down during the summer.

Is it sleeping?

Uv b, probably the reptisun 10, as its easy to find in t5ho

Not too pricey

How many watts does it pull from the wall? Do you have a kill-a-watt to measure it with?

Have you purchased the mars light yet? If you haven't please stop by the led section first and check out the cree and vero cobs. There are several companies making prebuilt units that will blow away the mars lights. Less heat and more light. I would also advise against an active 80mm intake. If...

How hard is it to deal with heat for you? If heat is no big deal and electrical costs down the road don't bother you than a less expensive/efficient setup would be fine. If heat is an issue you can save headaches down the road with a higher bin, lower current design

Did you buy the A or B version?

Great read! It's a little behind where we are it in this forum but he nailed the concept. The pricing, binning, and driver situation are a little better today.

You said the room is 15' by 8' so 120 cobs at 50w or 60 at 100w