New LEDs for my grow room

[DavidCampen]

Originally Posted by escualida

I don't know what to say to that, I'm not lying, and I have absolutely nothing to gain, I have no association with that seller.

I never said or implied that you were lying. I was taking exception to statements the vendor made in the ebay listings.

All I can say is that you'd be buying straight from the manufacturer in China. I have the light and like I said, i'ts very bright, is built very well and seems to be high quality, and my plants are doing well with it so...

Yes, I believe you. But you were comparing the price of those ebay lights to the others mentioned here and that can't be done since the specifications of the ebay lights are not believable.

[escualida]

Well they may be hard to believe but I have one of their lights as proof. I actually had bought one of the 700w ones and it was WAY too bright so I got a 200w one instead and I have a 400w one on the way. I don't know how to prove to you that they are what the seller says they are, but if you want me to open it and take pictures I can...

[DavidCampen]

Originally Posted by escualida

Well they may be hard to believe but I have one of their lights as proof. I actually had bought one of the 700w ones and it was WAY too bright so I got a 200w one instead and I have a 400w one on the way. I don't know how to prove to you that they are what the seller says they are, but if you want me to open it and take pictures I can...

If you could get pictures of the power supplies so that I could see the nameplate - manufacturer, model, output voltage and current that would be interesting.

Edit:
I see now, they actually even admit that their fixtures are much lower than the wattage they state. From the link you gave:
1000W LED Grow Light 3W Full Spectrum LEDs Hydroponic Pro LED Grow Lamp Panel | eBay
scroll down about 2/3 of the page into the question and answer and we have:

Why the light is 300W (...) in the listing, but the actual power is 180W

As you know that the big advantage of led light is power saving, so it needs less power to run the light. There are white, blue and red LEDs in the led grow light and the voltage of white and blue led is 3.2-3.4v and voltage of red led is 2.2-2.4v. And consuming less power will not affect function of the light to plants.


So, they are using the common misdirection (lie) of claiming an "equivalent" wattage. And now that we seen that they have told one untruth then we can expect that they are probably telling others.

The other vendor mentioned in this thread was stating true wattage and outputs not some imaginary "equivalent" value.

[Talila6]

I have seen LED lights advertised as red and white or blue and red. what do orchids really need? red and blue or no blue at all? I am looking to add some lighting for the top shelf of my plant shelving. a fluorescent bar can't really be installed easily. So the next best thing would be LEd. i have not made the leap yet.. just trying out ideas so far.

[DavidCampen]

Originally Posted by Talila6

I have seen LED lights advertised as red and white or blue and red. what do orchids really need? red and blue or no blue at all? I am looking to add some lighting for the top shelf of my plant shelving. a fluorescent bar can't really be installed easily. So the next best thing would be LEd. i have not made the leap yet.. just trying out ideas so far.

You will get all sorts of opinions about how important it is to have multiple colors. Red is efficient for photosynthesis. It is generally accepted that a small amount of blue is also necessary.

[Talila6]

thank you.. I feel a little bit lost.. just trying to get my bearings!

[escualida]

Originally Posted by DavidCampen

If you could get pictures of the power supplies so that I could see the nameplate - manufacturer, model, output voltage and current that would be interesting.

Edit:
I see now, they actually even admit that their fixtures are much lower than the wattage they state. From the link you gave:
1000W LED Grow Light 3W Full Spectrum LEDs Hydroponic Pro LED Grow Lamp Panel | eBay
scroll down about 2/3 of the page into the question and answer and we have:

Why the light is 300W (...) in the listing, but the actual power is 180W

As you know that the big advantage of led light is power saving, so it needs less power to run the light. There are white, blue and red LEDs in the led grow light and the voltage of white and blue led is 3.2-3.4v and voltage of red led is 2.2-2.4v. And consuming less power will not affect function of the light to plants.


So, they are using the common misdirection (lie) of claiming an "equivalent" wattage. And now that we seen that they have told one untruth then we can expect that they are probably telling others.

The other vendor mentioned in this thread was stating true wattage and outputs not some imaginary "equivalent" value.

Cool, yeah I had seen that I just didn't really knew what it meant in terms of equivalents. I just go by what the light meter tells me and it seems sufficient for what I need. I think most sellers on eBay label them this way and the ones I got were still a good price relative to the others and what I've seen on other sites are just WAY out of my price range.

[DelawareJim]

Adrianna;

I think David's point is the cost of early adoption. The incandescent light bulb was pretty expensive back in the day when electric lighting was first introduced.

Cheers.
Jim

[Ray]

Talaila6 - expanding upon David's response a bit, plants absorb and use light of all wavelengths between about 400 and 700 nm.

This graphic, while not necessarily definitive, gives us an idea of that:



Different light sources put out different amounts in the various wavelengths, and the relative intensities of those wavelengths can affect the growth of the plants.

When I was first growing orchids, at that time under artificial lighting, I used 50/50 (wattage wise) incandescent and fluorescent bulbs - the former emitting mostly in the red end of the spectrum, the latter blue. There have been a lot of advances since then, and there are many acceptable ways to "skin that (lighting) cat".

[Talila6]

Thank you for your thoughtful response. I have two grow lights right now and the top shelf is under two "ott" lights. Supposedly full spectrum. So far the plants seem to like the set up. Albeit very little flowering but I am not too distressed because, I just started this set up about two months ago. I'take back the
'Little' flowering, one the ocidium is growing a new spike just a couple days ago!