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Just to confirm the bjb 319.2033 holders will allow clearance for a m4 screw? I know Ive read that a few times in this thread/elsewhere that the screws used are m4 but also checking the spec sheet for bjb shows m3 screw. (just making sure ideal isnt only holder that works with that size)

Just wanted to give a big shout-out and thanks to CobKits for helping me get an order underway. Ill be sure to post some pics once its done, but it will be a box style (semi active) and shall be running ( 8 ) cxm 22 3500k 90cri, and (4) of the same at 80cri in following format 8 9 8 9...

CK, what is your supply line normally like on the cmx 22? Ive been waiting for a couple weeks for the bjb holders to get back in stock and notice your 3500k 90 cri is looking like it might be out before they come back in. Id order separately but am a bit nervous on something coming in DOA (not...

how do you feel about mixed systems? For example: 1 2 1 2 2 2 2 2 2 1 2 1 Where 1s are 80s directly above plants and 2s are 90s. More blue spectrum directly over for veg/more red as plant spreads for flower.

The way I have understood it (and i could be wrong) is that heat output from whatever the draw is entirely dependent on efficiency. If for example your driving 500w into a light that is 25% efficient then you will need to account for 375w of heat. Conversely a 500w light with 50% efficiency...

I know that this barely squeezes into this thread topic, but the new to LED and what to buy thread is locked for months, so... 1st question... Does anyone know of any good 15a fused c14 switches and where to get them? I watched the mou5 vids as well as a bunch of other reading that let me to...

Can you help out my understanding a bit CK? (planning an order soon but hung up on a few things including a driver search that has had me chasing stats left and right for a handful of different ones now) First off been reading a week or so now, and have switched my build plans/design (cob...

Shall do and thanks. I also won't make the mistake with so much soluables again of I do future grows for him... I think for the lighting available I went way overboard trying for a half dose of them even. As far as the last part still researching when to cut that last week out for flush...

Well to give a bit of background info. 4 plant grow for patient with copd/pain issues (may not be relevant and though this grow will go to edibles/oils I don't want to exasperate the medical issues) Coir/vermiculite mixture (multiple pot sizes) ~216w (I think) t5ho with supplimented 1x 200w...