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#11
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now that i looks at it i can see why u did alot of this
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$Gangsta Growers$(founder) *Everything here is a lie* Sex Poll>Sex while High (Poll) Journal>My 2nd Time Grow, With CFL's Mylar Alt>Sybstitue for mylar is this true??? |
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#12
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Quote:
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Well, parabolic reflectors DO focus light, but it only enhanced the distribution that you would get from a single light source, which is the main source of that effect. Quote:
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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport |
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#13
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Kudos on a good experiment with attention to details and possible errors. I think this will come in handy for those doing a cost-benefit ratio of using multiple CFL's over a single HID. While electric cost will be higher with CFL's, yield may make up for that loss due to better spread as shown here by you.
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#14
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CEESTYLE,
After this experiment, and I know you don't want to turn this into a debate about what is better, but if you could choose one or the other for a small space, which would you use? I started (vegged) with CFL's, but bought the 150 for flower, figuring better coverage for less cost. Appreciate your research and effort to put this together.
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This isn't me.![]()
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#15
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It's really difficult to comment on that without a side-by-side. The reason that I added the HPS originally was to supplement the light that was already in there, which was sufficient for veg but not nearly what I wanted to flower. In order to get what I thought was adequate out of just CFLs, it would be very difficult to physically cram that many bulbs in there, and then you have problems with them obstructing one another. In other words, to compare the CFLs to the HPS is like inadequate light vs. inadequate light. If I were forced to choose, I would probably opt for the CFLs, just because of the coverage. All the mylar in there helps them more as well, as the HPS would simply not reach the corners. A better reflector could certainly help with that, but unless you tailor your canopy with smaller, different sized plants - to even out the distance from the bulb - you're going to have part of your space that is suffering somewhat. All of the above is based on the cabinet of 3 x 1.5'. A smaller space, say 1.5 x 1.5, would be a different story. There, you would probably go for the HPS.
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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport |
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#16
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I'm in 2x1.5. I really think this HPS is just awesome for a cab this size. I originally wanted to flower 1-2 plants, starting 3 but got 3 ladies, so I am a little crammed but its seems to be ok. I was able to get 12 CFL'Sin my box. I used a shelf that was adjustable that it came with, a vanity and Y's. Since I have the setup I may try just cfl's next time as a comparison, but thats still a ways off. Theres photos of the setup in my journal if your at all interested, and here's a pic of the box with the HPS. Been great pickin your brain!
(BTW +rep when it lets me, I apparently haven't spread enough around...lol)
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This isn't me.![]()
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#17
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for all your lighting needs
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Answers about CFL, HPS, How Much Light... - Cannabis.com Forums Message Boards - Medical Marijuana, Cannabis Club, Dispensary, News
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Advisory: Guitar Hero 4 may cause flashbacks |
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#18
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Any way you flip it it is kool info... =] Thanks...
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I just know i planted them around here somewhere...=] |
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#19
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haha .. no, i'm a scientist.
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Lumens, lux, and adding it all up :: 16K HPS vs. CFL :: DIY Drip Irrigation :: Pack water transport |
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#20
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Of what field if i may ask... =]
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How would you get the square feet of a three dimensional growing area...??
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I just know i planted them around here somewhere...=] Last edited by moon47usaco; 07-02-2008 at 08:56 PM.. |
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