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try 16 hours of light, plants like to rest too, I have been growing successfully for a long time now and I always go 16 hours not 18, I've tried 18 but doesn't make any difference to my grows. When you say 3 hrs uvb are you telling me that you put heat on your plants in the dark period ? The...

8 - 10 x 600 watt philips greenpower hps lamps covering 20 square feet each lamp, a lot of extraction , and a prayer no one opens their mouth.

Hi all, here's the deal. I just took the plunge and purchased 3 Led lights from Gotham Hydro. First of all they were good prices compared to a lot of others and after speaking at length with them on the telephone, i concluded that they seemed to be very open about what led fixtures can and...

Hope ur all tuned in for this one, coz it's gonna be nothing but the truth

Ok you have vegged under 200w flourescent and now under 600w HPS, that's one hell of a difference in light intensity and you'll probably find that the plants are just adjusting to a different light spectrum, they could also be suffering from some kind of bug in the root system although it is...

I'm a bit skeptical too mate but I took the plunge, so from tomorrow I will be starting a new thread with cuttings from my mother plant all the way through to harvest using Blackstar leds. Maybe I have done the right thing or maybe not, but I am a longtime grower with HID, my results will be...

$20 for 240watt. Where is that price advertised ?

Yep u are correct , I been researching for a long time and I've read tons of papers and the 6 wavelengths that you mentioned are the only ones that are required. Mind you I thought the 420 was supposed to be 425, I may be wrong :-)

I thought all the led haters might get a shock at this photo, my Great White Shark flowering under HPS for 3 weeks and under the 500watt Blackstar for 2 days, yes they have "jumped " even in just 2 days. But here's the thing, this photograph was taken with the camera 15 inches away NO zoom and...

Well you plug your Kettle in to boil water and that uses anything between 1800 and 2500 watts

Did you ever find out what the actual power draw is using a watt meter ? It's just that I am very curious to see what your final yield per watt is gonna be :-)

I really hope so Kush, coz it's quite a bit of cash for a failure. Anyway I got them up and running and within an hour the leaves on the plants were all doing that kind of fingers stretched out toward the light, from years of growing I know when a plant is "sucking" in the light and at full...

you say 42 inches. The flowering model of that led will cover 3 ft by 2ft area which is small by comparison to the coverage of a 600w hps but you got to remember that this particular led light only draws and actual 135 watts but will produce a fantastic yield for a small footprint. I think that...

Yeah didn't realize. haha I fell like a right git now :-)) LOL

In the next couple of weeks I'll be doing a full LED grow from start of cloning to finish. I'll be using only Blackstar 240 watt Veg model for the vegging of course but the actual draw is only 135 watts according to my meter. for flower ,my 2 x 500watt 2011 flowering models arrived today. The...

Oh deep joy, just picked up my 2 x 500watters from the post office today. I was doing a 600 watt HPS 3 weeks into flower but I'm gonna use these babies to finish it off, just in time too as the weather is really starting to heat up here in the Canary isles. Ooh the fun of it all, the walls are...

No it's just the residue left from sulphur solution :-)

Yes they do have a legit website although it needs updating with their latest led products. Here it is http://www.gothamhydroponics.com/

How long is the flowering period for this strain ?

That's great Kush, can u imagine all the LED haters seeing this and eating their words, "yes you lot, all that from 135watts actual draw". That works out at about $10 for 9 weeks of flowering at 10 cents/Kwh. The girls are looking beautiful. Oh yes the white spots are just dried sulfur solution...