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Good to see someone making DIY at this day and age. What is your mounting method on those mpcbs and xpgs?

Could you expand on results of 365 in seedling stage? Or reasoning why? Not trying to challenge just curious. UV around 385-405nm us actually not that inefficient anymore, if you go for diodes in the 1.5-2.5$ range and mount them yourself to pcbs/ledstars you can get good output. Playing with...

Id go for singles if i could, but doubles should work fine.

S This is 2 series, 2 parallel as i suggested. Straight parallel or series wont work well; 4 boards in series wont light up with that driver, 4 boards all in parallel will give you output around 160w if it even lights up. There are several ways of doing 2S2P though, this is one.

That drivers voltage should be around 114V so you should be able to do 2 boards in series and then another parallel string with the last 2 boards, assuming the boards are less than 57V @80w. Id check with HLG just to be sure though, they dont give much info on these boards.

In order for your plants to flourish in high intensity light you need to dial in your environment a bit. You want somewhere around 80-84F temps and the correct rh/VPD for the plants grow stage. Leds don't give off as much radiant heat or infra red as HID, so you cant grow with them very well if...

Very nice. Im surprised about the low blue % even at midday (18ish %); i was expecting a fair bit more.

This green supplemented spectrum is based around an article/study about green light being more efficiently photosynthetically at high intensities than red light, apparently due to penetrating deeper into the leaf and cannopy. This study is only really publicly available as an abstract, never...

I know it sounds complicated when i describe it but it really isnt; this is the way Quest recommended for external humistat control. Having 2 humistats; i think it will be very hard to achieve what i want; ironclad control so the quest and our extra drivers are never turned up together. This is...

Both led driver and dehuey are technically on, so there shouldnt be any inrush current. The relays are meant to cut and open control signal currents. Does that relay have 2 channels? Is there a 2 plug version?

Thats not going to work for me then. Thx for the headsup, i was almost buying a couple on amazon

Inkbird fellas: have you got one of these running at the moment? From what ive browsed thru user reviews it seems to have one humistat setting for one plugg and another setting for the other plugg. What i need to do is to trigger both relays with the same rh humistat. Can you confirm that this...

Im doing this in order to better control and use the amps on my installation, were pushed up close to our limit. What im trying to do is the take away the humistat sensor of my quest dehuey. Its got an external controll circuit; if i open this circuit using the humistat relay the quest start...

The siemens logo is probably over speced for me and a bit expensive. I literally just need high and low point for humistat, controllin two separate relays, all onboard no logic in the cloud. I was hoping Shelly wpuld do it but not wothout programming. Still trying to get info if it would work...

Automation people: can anyone advice me of such a device: - programmable humistat controlled relay with 2 separate relays -reliable - local logic; does not need to be connected to the cloud or wifi in order to trigger the switch. - from the box functionality; no special programming on rasberry...

Penetration, as a function of light, is a pet peeve of mine. Everybody talks about it but nobody seems to agree on ehat it is or how to measure it. From my understanding: tight buds all the way down the plant is more a function of growstyle and how you clean up, prune and manage your budsites...

If using the same photon pump, then 3k +5k is 4k.

Define better and how much 660 :) I think youre probably barking up the wrong tree here if youre doing a flower light. That much extra blue for how much extra efficiency? A couple of decimals? Efficiency is great but all it does is give you more light of the same spectrum. In my thinking its...

OMS is not on riu anymore, since a few years back but we speak from time to time on icmag. As for diablos; again cct is for our eyes more than the plant.

You dont need to know exactly what is what: just 2 same color wires in the middle tap/hole and 2 other same color wires to either of the other sides. Its easy when you have it in your hands.