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That makes sense. Is the efficiency the number on the driver? So if the driver says 95% efficiency I would use .95?

So supra maybe I'm not doing the math right. For your above HPS comparison 275w (12 cobs 22.9w) x .4248 (what is this number?) = 117.24 PAR w 117.24/9sqft= 13PAR/w Sqft? I know that is a little different than the 18 you posted (could be my math, I stuck at it). Just want to know if I am...

Supra what increases the PAR/w (intensity) Is it the voltage? What would 4 3590's at 95w(@1.2a each) a piece put out in terms of par/w? What's the math in terms of getting the par/w number?

Safe to say I am now, addicted.

Supra man I hope you have time to answer this. I know a lot of questions get asked and it might of been answered. How do you compare HPS to LED? In terms of horticultural performance. I know lumens gets thrown around a lot and I do believe lumens can be a measurement of growth potential...

Yeah I meant 29's my bad. What driver would you recommend for 1050mA? Although I have a good idea for heatsink; would you run 1 driver and sink per @38 watts? What heatsink would you recommend? Do you know what the cost of each 29 would be? Would 1 per sqft be too much? Sorry for all the...

What if I ran the 7 dollar driver on a Vero 10 (30Vf x .3a). Would that be 1,000 lumens at 9 watts? The 7 dollar driver says 36w so would it be too much for 1 Vero 10? I am trying to setup a flower room and I want the most lumens I can get for the buck. I have specific idea's for cooling so...

Hey Supra didn't want to flood the 3070 thread. Are there any 3590's currently better than the ab's? If not what would be the cheapest way and easiest way to get the most out of 3070's and exactly what would I exactly need to get 10k lumens per? Would I put each on it's on driver? What heatsink...

Yeah more info. Do you top off your reservoir in-between feedings with higher PH water? Are you using lime or an alkaline substance? It's something you are adding that's raising it.

I don't think this is true. Honestly I think I'm having issues with an overactive thyroid. I can't say hyper because I have low body temp like hypo. I think this is why smokers are really skinny because it boosts your metabolism maybe causing your thyroid to start working more. I'm not sure...

Yeah they said if nothing is wrong with the ballast then they can't replace it. I do hear a weird little noise from it. Real faint but other than that it fires bulbs. Yeah I want to get a better set up but my babies are stuck with no light at the moment and I am gun shy to turn this thing...

I have a 600w HTG digital greenhouse electronic ballast. It's a year old. I have had about 2-3 grows with it never really using the MH conversion. I get this smell when it starts up from the bulb/socket area. The smell from the back of a pc. Like hot heat kinda. I had an old bulb do this and...

Sorry on the bump but OP you had too much nitrogen. Lack of nitrogen is Yellow leaves. Idk why Mr. Ganja was saying to add more nutrients. You should of flushed over x days to remove some of the excess nitrogen.

Unfortunately I haven't cured any cancer patients; However my mother has Hep C and for awhile has been using the hemp oil I was creating (Another reason why I'm in Maine is because you can grow for family members). The method I use for the hemp is this http://www.youtube.com/watch?v=-JChdk_5jqs...

Headband - smelled like pine sol. The taste was the same way.

You can clone from veg. They do root faster but you invest a lot of time due to bringing it back into veg. As for soil goes. I'd drop the soil and get some coco. Get a brick of it. Mix it with the required water. Get some perlite and add that to the mix. Coco is neutral ph. Do 75% organic...

Hello, im new also. Southern Maine. Im a patient that will become a caregiver once I find some clones and get certain strains together. I'd like to have set strains for my patients. I study medical pathology in my free time. I know a lot about curing cancers with hemp oil and many different...

Attitude is good. I do plan to get some off attitude and germinate them. At the moment I was looking for a couple clones or cuttings to create hemp oil.