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I would take the philips over solis even if the solis was free, lol. unfortunately they dont make a de, but their allstarts with a proper square wave ballast are gonna run better anyways and be similar in price if not way cheaper, depending on ballast source and type of course. I'm sure...

Right, like cobkits said, as long as you break the circuit that the pot is on, that is all you are trying to do. positive side, negative side, doesn't matter. Either will break the circuit that the pot is on, and give your driver the boost you are looking for. another option is to remove the...

The wrong tree, huh. Something about that phrase doesn't seem quite right :D

I like the "vertical city farming" http://weburbanist.com/2014/12/11/vertical-city-farming-undulating-mixed-use-urban-community/

Just put it in series with the pot. switch on, pot active. switch off, open circuit.

I suppose that depends on your footprint and more importantly how many watts your running, in that footprint. I thought you were supposed to run higher temps when enriching, according to what people have always said in my experience, but people are not always right. Even in large groups. 71-75...

How is it that you need 60k btu of water chilling? that seems like a lot. was that out of neccessity, or more to reduce the load on the chiller?

Down, huh? is that because of a less efficient chiller you replaced, or no more heating bills, (which I thought were natural gas, but I could be wrong) or perhaps from increased lighting efficiency? There has got to be some variable here I am missing, lol But nonetheless very impressive!

No, not bad at all. is that an avererage, or constant number? or it it only when the compressor gets flipped on?

I figured it worked something like that. I got that number from 230v at 42A, which according to their site for the 5 ton, is the "Min Circuit Ampacity" I was just wondering if you noticed how much your power bill went up when the chiller was first installed.

I'll do my best to find some time tomorrrow to discuss all this with them. Just out of curiosity though, how much does this unit cost you to run with your application? It appears to use about 9660w according to the specs on their site, but I can't imagine you are running it at full power 24/7

when you say dual circuit, I'm guessing that has to do with one cold water circuit, one hot to use for heating/domestic hot water, on single phase 230v circuit, not two electrical circuits, right?. On their website they do not list anything about hot gas recovery, is that something you have to...

how much did you spend on that chiller, and where can I get one, lol

Always.

Yeah I think they probably meant for it to light football fields and such, lol. But still, imagine a warehouse grow with ceilings as high as you need, and one of those every 30 feet or so in each direction. But still probably better for football fields. 80 lpw is not going to cut it in this...

Wow, that is something else. I had no idea. 10% is Huge! you are so far ahead of anyone else I have seen in this hobby/market, in so many ways, its really something, I must say. Speaking of which, which tank/picture are you guys discussing. I must have missed it. but I am very intersted

very nice, @ttystikk I like, I really do. I have always wondered what it would take to get the numbers they test at 25c versus at 85c, or somewhere in between. would be especially good for some of these bigger chips they are starting to make, that are definitiely gonna take some work just to...

I am a machinist by trade, although I stopped working at machine shops some years ago, by my own decisiion. I am quite sure however that is the only way to drill a true blind hole like that unless you have a lot of extra material to waste for the pointed end shape of a drillbit. Since the...

thats most of it, thats very intersting. I assume it was done on a drill press with a stop obviosly, and then whoever built it must have had to bottom out (or flatten out rather) the blind holes, with an endmill im guessing, then use a botttoming tap. What size/pitch threads do you mount with...

@ttystikk I have been doing my best to catch up on your thread in what little spare time I have, but I have finaly gotten caught up from pg 129, which is when u had the cob's installed right? I remember you saying everything before that was a waste of time, lol. Great work by the way, I am very...