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Its the same thing lums are to lux what ppf is to ppfd. Same factor.

It happens to all of us, you just achieved more wisdom, the exact unit being one Cobs worth of wisdom. My own personal doh was wiring up all the 128 strips properly (or so i thought), working diligently from early morning resizing a total of 254 ( ;) winking hard...) 1mm wires down to 0.75mm...

He was not the earliest adopter but sure as hell did change some minds with his first HPS vrs led grows. Side by sides is my favourite canna content.

What strips are you using now? Used to be blux iirc, anything new?

I sympathise with both being keen on special projects aswell as doing calculations and not letting things go to waste. But id really recommend doing the numbers on how much you would gain in light efficiency and temps by setting it all up, and how much you would gain by upgrading to a simpler...

Nichias 3030 is better, at least when bought directly from them: you can also buy it in quarter bins: the top 25% of top bing only. Samsungs bins are +-7% so when they come in slightly under spec theres not much you can do. If you compare spectrums aswell youll see some diodes have more...

I think the big problem is this weird love of a constitution made more than 200 years ago, weve changed our several times and it worked out fine. A winner takes all system means you basicly have two party rule, the dos and the donts. We have 7-8 regular parties in right and left coalition, with...

Ive not done the research properly just read explanations of nute companies but ill happily believe this. Iirc the benefit of foliar, as explained by what i couldnt really make out as proper or growbro, was that there was "costs" involved with getting nutes from the roots that wouldnt be...

I tend to agree but she sure aswell isnt giving me any great impressions, but if i could vote she would have my double hater vote. I just feel sad for you guys that this is the choice presented to you cause i see plenty of imperfections to go around, but theres obviously a certain Elite level...

I havent tried either way, but i always encourage everyone to combine the growbro with the scientific and put shit to test. If it eorks for you i will not argue and ill always listen to oldtimers of riu...

There really should be an option for all the double haters where both candidates get banned from ever seeking office, democracy gets sent to sit on the naughty step for a year, and then both parties and americans in general get a chance to get their shit together and try again. I have for long...

The only time ive seen mentioned foliar feeding with anything looking like more than growbro statements was in connection with something called Calcium based growing and BRIX growing. If your plants are loving it i would do a test where you just spray RO water on half the plants and see if you...

I take no issue with any of that :) world is better with migro than without. All im saying is to contrast what he says with other sources, like science papers, check the date of the video and see if it still applies a few years later and ask yourself how much of a complete picture you get out...

I actually had mrs Rocket Soul making good contributions to building my own light. Her craftwork with jewellery making experience and nimble fingers came in quite handy, and she had some very nice and helpfull materials. Things went pearshaped for other reasons but i really think building lights...

Bridgeridgelux has a strip called the vesta strip you could use to Diyiy a variable spectrum solution. With a cc driver and series connections you could wore up your monos in the end of the series for those extra nm youd like.

Vipar spectra has some features to it which makes me think they really put some thought into their engineering ,- and ive never seen them mentioned in any catastrophic adjacent mishaps posted here on riu. It makes me favor them slightly. The p1500 pro seems to be an easy nr 1 for a 2x2. Migro...

Yes but what diodes are going into mars and spiderfarmer? They test 10% lower than spec when going into a gonio, test are here on the forum. Ive seen customers complain that they got a broken on arrival unit and where told to shipp it back to china on own dime in order to get another new one...

I believe the fastest way to get this right would be to set it all up first without your water cooling to take measurements, and then setting up water cooling once youve made practical test. I absolutely love building with led :) and what youre proposing would like feel like a nightmare for...

Id argue that buying mars or apiderfarmer is the same as buying china. But at a slight premium price.

With this kinda setup id probably just try it out and look what the plants reaction is. Its enough light i recon and you should defo retain dimming possibilites. We had good yields from 7 cmh of same wattage over 5x 1x1.1m trays. Cmh and leds mixed would likely fmgive you conditions to push...