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What are you running 45 watts sq ft of?........(hps, Led, CMH) It matters. At the moment 27 watts of cxa3070 3k ab bin works at least as well as 40 watts sq ft of Elite agrow's in cycloptics luminairs. I only have 1 harvest to go by...but....great weight......better smell and seems to be...

Cap'in Would 6 leds and 2 drivers cover a 6x6 grow area? Also the area is a perpetual devided into 2 3x6 tables one month apart. So weeks 1-2 5-6 are at 12/12 and weeks 3-4 and 7-8 would be at 10.5/13.5. does that should like it would work well? Thanks......

IMHO Leaves are droopy.....Over fed....too much N. Could be over watered, but I'll go with overfed. Tips are burned.......Over fed.... Serrations on the leaves are slightly turned up.....VPD is out of range......too dry.

What is the foot print for your veg??

How about a 4k AD bin?

They want 200 bucks for one of these things. Do you have a parts list to build one cheaper?

The uniformity is just as important as spectrum. Adding discrete frequency leds cannot be good for the uniformity of light in both intensity and color variance.

How are you producing then 730?

What is the size of your canopy?

With a multi-point light source 25 to 30 watts/sq ft is fine. with a single COB I would want to go higher.

Arrow hit me for $39.60 ea. a month ago plus shipping and a month lead time.

A watt is a measurement of heat dissipation........I use these at 60 watts and they work great.

MR-X 2.14 grams per watt! And this was a long time age. https://www.icmag.com/ic/showthread.php?t=215147

Expensive.....you can get CPU heat sinks for half of the price of those.

Here is about 1.25 to 1.5 per meter grown under Cycloptics luminare and Elite Agro bulbs done on a monthly perpetual rotation. Should do better with the CXA3070's.

That is where I got mine. 20 minimum order and 30 day lead time for me.

The seller of the bad LED drivers received my order back on Tuesday and said nothing. I escalated the case with ebay and received the refund today, not counting the 60 bucks that it cost. to send the things back. Looks like I'm buying a bunch of Meanwell drivers.

Put the COB on the heat sink and put the holder over the COB. I can't see how to get it in from the top.

That power supply does not meet spec.

I will be vegging with 4000k AD bin 3070's at 15 watts sq ft. Already ran tests and works great......These need at least 16" to canopy.