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Your chiller was retail bought and your controls were done "by professionals", so what part did you do yourself of this project that you claim is "DIY"? So am I to understand that because they are not the same, but run on the exact same principals, ACs are less reliable than chillers (you know...

G/Sqft describes how efficiently youre using the space of your grow. G/w describes how efficiently youre using the electricity going into your grow. (This should be the total watt usage of your entire grow, not just your light) So, [(g/sqft)/(g/w)] = efficiency ratio of your grow. The lower...

And to bring it back on topic, it will be probably ~10-20yrs easy before your price points see the light of day, so youll easily be able to pay off that shiny new Gavita long before weed prices bottom out.

Hell, IMO you need to be running them out of the same rez and under the same light at the same time. Isolating variables is the whole name of the game.

I guess we have different ideas on what constitutes "DIY". I wouldnt call something you have professionals help/do for you "DIY" lol. I understand that the chilling part is mission critical, but how is an AC inherently less reliable than your chiller (which btw is just an AC). After all, I...

Keep in mind strains start flowering outdoors when there is between 9-10 hours of darkness. 12/12 is simply safe. 13on/11off or 14on/10off seems like it would be an happy medium for the plant. Of the research Ive been able to do on scholarly articles, it would seem that more light = more...

The sad thing is, it really wouldnt be that hard for the well set up people to do small experiments or case studies. But in that sense its almost a sort of "trade secret" at that point. Why would they do the work and disseminate it for free among their peers/competition?

I feel like you could do a DIY version of your setup for a smaller operation at barely a fraction of the cost. Granted it would be DIY and I know how people feel about electronics and DIY water projects, but it could be done. Just some pumps, reservoirs and an AC unit

A small suggestion to improve efficiency Lofty. Rotate your blocks 180* so the water lines are straight shots across the interior of the light, rather than shooting out and curving beyond the frame of the structure. This should make the pump more efficient without really any major changes and...

My favorite is the classic "my next run Ill try "xxx" and see if it makes a difference". As though that is a proper way of testing something.

Not this shit again... Grow whichever you prefer. Under optimal conditions for each, theyll come out roughly equal. Now of course this doesnt take much consideration into differences between strains but you should get the idea.

The only actual data he has is in regards to the final weight, he made significant claims beyond simply weight that he has no way of backing up other than anecdotal evidence. Thats an anecdotal fallacy is it not? But to be fair, it is very rare when people incorporate any sort of actual...

Just keep in mind were not dealing with the sun or light for that matter as a source of heat.

Now thinking about it, the black heatsink in theory should heat more slowly than the white because it is radiating the incoming heat more efficiently to begin with. Doing a simple search on google might save you the trouble but do what you want should be interesting. Might I suggest doing...

Conduction wold heat them equally fast, in theory though pretty sure the black should cool faster. No idea on rates.

We arent discussing convection, we are discussing radiation. Absorption and Emission are two sides of the same coin, so if its good at absorption it is also good at emission.

So basically, big agriculture will be priced out of it before it can even enter the market. The only thing is, the big players could get into the genetics side of things, but I would question whether or not the financial incentives are there for them to bother entering the market.

As far as ease goes, the vero series have solderless connections. Depending on whether or not that matters to you.

People need to be much more specific in their requirements when asking about DIY LEDs. You could get 100 different answers and they could all be correct.

I like meanwell drivers, but it depends on how many watts you want going through the COB. There are plenty of drivers that will work and it all depends on what your requirements are. Probably about any Constant Current driver that puts out ~36v will work for any of those COBs.