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What is your experience with minimum/maximum light levels vs length of 'day'?

So I've been spending some time thinking about the optimum light levels our plants need based off of Light Cycle Duration and also what stage of growth the plant is in. According to my quick google searching, most mature 'High Light' plants require 12-18 Mols/ Day and 'Very High Light' plants...

Yodaweed has a history of misunderstanding graphs.

Then we all must be HUGE pussies then huh? I mean shit, they can do it right? Oh I forgot they were in a warehouse :roll:

That was a jk moment...

I consistently hit "2 per light" btw.

The Jungle Boyz bro. If you aren't pulling 3-4 a light with cookies cuts then you are a fucking joke and should just quit:lol:

This is how this thread makes me feel. These discussions are so pointless:confused:

Yes, this is for CO.

Pyrethrum is approved for commercial sites, but it has to be on the 'approved' list. I believe it is the aerosol bombs that are not allowed, but that I would have to double check on. We have a few organic commercial operations that use this product to treat mites. We have to order it from Ag...

Which quantum meter would you be using? Depending on the spectral response, results may be weighted towards the higher K temps if using something like Apogee MQ-200. Edit: I also vote 3000K 90CRI

Like Brother @OneHitDone said... New And Improved!

May we ask which COB Model/Kelvin Temp you decided to go with?

Photo Credits: @Greengenes707 Sorry for not asking :neutral:

Testing spread without reflective walls would be beneficial for anybody with a larger size grow. Large canopies don't have the luxury of having much/any wall reflectivity. Reflectivity will skew stand alone results. Just think larger than a tent.

Vero 18's Nominal Test Current is 1.05A with a Forward Voltage of 29.5V using about 31W each. Meanwell HLG-120H-C1050 is good up 150W so you could comfortably drive 4 chips on that driver...

I would happily disagree :D My testing space is currently occupied, but given time, I will "prove" it. Proper Spacing/Layout > Evenly Spaced Chips.

The problem is spacing multiple chips in a grid fashion. People need to get out of the mentality of spacing a COB every sq ft. People need to be working on chip layouts that reduce the differences in irradiance from 'center-to-edge' of the footprint. No special lenses or equipment necessary...

Dakini Kush nug grown under: Vero 29 3500K Same nug bottom side