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Old 10-27-2015, 03:49 AM #21
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Measurement at 12"



over 12"



measurement at 6"



measurement at 9"

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Old 10-27-2015, 03:51 AM #22
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Let's remove the reflector







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Old 10-27-2015, 03:54 AM #23
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Measurement at 12"



over 12"



measurement at 6"



measurement at 9"



front view



Measurements for this LED compared to 13w CFL (lux readings at 100x scaling)

13w 2700k CFL
12" 7 lux
6" 28 lux
9" 101 lux

10w 2700k LED2 with lens
12" 10 lux
6" 49 lux
9" 316 lux

10w 2700k LED2 with no lens and with reflector
12" 8 lux
6" 40 lux
9" 260 lux

10w 2700k LED2 with no lens and no reflector
12" 42 lux
6" 190 lux
9" 872 lux

Last edited by blynx; 10-28-2015 at 03:08 PM..
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Old 10-27-2015, 06:09 AM #24
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Like I said, it's good information, but I won't be convinced until someone does a side by side comparison in an actual grow situation.
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Old 10-27-2015, 06:18 AM #25
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Times they are a changing and blynx is keeping up.
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Old 10-27-2015, 06:27 AM #26
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Like I said, it's good information, but I won't be convinced until someone does a side by side comparison in an actual grow situation.
I would like to see that too, my hypothesis is thee gain in LUX is due to the directional nature of the LED itself. Isn't lumens over an area not a point source?

While not a perfect scientific side by side, blynx is showing similar results with the receccesed lighting version of these. He has another cab the same size with CFL lights and has documented many grows in it thoroughly.

Each has its place and each situation is different. A vertical grow with one of these is not going to work, but CFL would. I imagine these working best in a ScrOG situation.
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Old 10-27-2015, 02:41 PM #27
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Like I said, it's good information, but I won't be convinced until someone does a side by side comparison in an actual grow situation.
Check IC archives. I grew under similar bulbs 2-3 years back. Quite effective for a small (or budget restricted) grower

also search www for CaptainMorgan. He did one around the same time on a different site
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Old 10-27-2015, 03:12 PM #28
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I was hoping to avoid the these lights suck, or this is irrelevant info posts as I have not made any claims about these lights, I'm simply posting some light measurements.

For those that think that, you don't have to read this thread. There are plenty other threads on icmag for you to read.

These lights at this wattage/lumen output have not been available for a couple years in my area. There have been some expensive flood style LED lights available but they are big, bulky and expensive relative to a $5 LED that puts out more lumens. The globe style bulbs I did start seeing around here all had a lot lower lumen output than the same wattage LEDs that are available now do. I didn't start seeing similar lumens between CFL/LED same wattage until early this year in my area.

This thread is for people that use CFLs and don't want to buy an expensive fixture or don't want to make their own COB, yet might want cooler temps, lower wattage and similar yield to what they are currently getting with CFL.

I would only use these for micro grows.

This was a journey into trying LED again. I wanted to start the new cab in my other thread and then start this thread because that's the order it happened to me.

The first jump I made was getting the 22.5w recessed style lighting when I built a new cab. I started running across these cheaper LED bulbs shortly after the new cab was built.

As ReikoX mentioned, the new cab is basically the same size as my CFL scrog cab, so comparisons can be made between the two.

You don't like that? How about this.

I've been running my CFL cabs for a couple years now and been posting the results here.

I would think the best comparison I could make would be to take a CFL cab I've been using, swap out the CFLs and use these LEDs iin their place.

I will be doing that and posting the results.

Last edited by blynx; 10-27-2015 at 03:22 PM..
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Old 10-27-2015, 03:36 PM #29
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a fine thread on the topic
really impressed with the walmart bulb price/lux
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Old 10-27-2015, 04:33 PM #30
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Originally Posted by blynx View Post
I was hoping to avoid the these lights suck, or this is irrelevant info posts as I have not made any claims about these lights, I'm simply posting some light measurements.

For those that think that, you don't have to read this thread. There are plenty other threads on icmag for you to read.
I just want to be clear that I'm not attacking your thread or you as a person. I appreciate all the links to comparison grows, and I'm gonna look into them.

Like I said in my FIRST post- this is good information, and I'm glad you shared it!
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