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Yea i Was looking at running the CXB3590's 72v on a 1.4a or getting the citizen 1818's and running them around the same. I am aware of the efficiency with lower amperage, and i want to be in the middle so to speak. my issue is I want to use a heat sink that is pre-tapped and will handle the heat...

I looked at the Citizen 1818's on your site and noticed they run most efficiently between 90-150w, however the heat sinks you have only allow for a Max of 75w per sink passively. another thing I also noticed was the citizen holders can only handle a Max of 250v which would be 5 cobs max, am i...

Keep me us informed

What COB's would you recommend? I also am looking to cut down the build cost, however I would like to have the same performance. Thanks in advance :)

Were they pre tapped for the cxb3590?

I was going to use the Cutter HS-14080p Heat sinks Passive Cooled. I'm running Co2 in the room and my temps are running at 88d avg. I also have a 1200 Mar II covering a 3x3 area in that room as well.

I'm looking cover a 4x4 area and to expand to a 4x8 area over time. I seen all GrowMau5 Videos and at the end of one someone had mentioned they were using 72v [email protected] and @Growmau5 said he had wished he had went that direction, and I'm curious why? I have a 6' 2" ceiling so height is an issue...

Great Build, Super Clean. I'm curious what drivers you are using for the 72v cobs, and whats your efficiency? I;m thinking of sing the 72v COBS as well since they are cheaper, Thanks

I'm deciding between the bar Heatsink like yours or the Cutter pre drilled 140mm individual heatsinks. Do you have any Stretch in your plants Hydro using just the 3590's?

Both of those drivers could be ran off 1 plug, nice build

I'm looking to install 9 CXB3590-0000-000R0HCD35G COB 3500K 72 Volt, using angled aluminum, im just curious if 1 driver @ 1050ma can handle of the COBs? I intend on running 3 drivers running at 192v @ 1050ma.. I heard ir working for some, but just leary. cant someone help me? Thanks

Here is my 1st of many CK plants. This photo was after 70 days of 12/12

Keeping it Green

Man i have heard it all

I received my seeds yesterday 33 days after they shipped them with NO Customs interference, and the package was intact and untampered. OSSC is a great seed bank, however the USA Customs and postal service suck ass..

I ordered mine on Oct 17, they shipped on the 22nd and I have yet to receive mine which means they are in customs and when and if the package arrives it won’t have the seeds. OSSC said to give it 36 days, but they said I should be receiving the package shortly. FYI: Dutch seed bank has shipped...