My iGROW Induction Lighting Test

Ok, harvested my HPS Plants, here are the final measurements of Bud Diameter and growth. Im just a week or so from harvesting my iGROW plants and everything seems to be on par for almost the same yield. But the one thing i keep pointing out is that the quality of the bud is incredible, there is not one person who has come over and seen my garden room that has not commented on how amazing they look and they almost look fake.

[TABLE="width: 650"]
[TR]
[TD="colspan: 2"]HPS Plants
[/TD]
[TD="colspan: 2"][/TD]
[TD]Bud Diameter
[/TD]
[TD="colspan: 2"]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]AB
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]2” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]SB
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]2” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]SF
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]1.75” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]Overall Growth
[/TD]
[TD="colspan: 4"]Average Growth per Plant
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD].75"
[/TD]
[TD]
[/TD]
[TD].25"
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD="colspan: 2"]IGROW Plants
[/TD]
[TD="colspan: 2"][/TD]
[TD]Bud Diameter
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]AB
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]2.5” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]SB
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]2” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]PE
[/TD]
[TD]
[/TD]
[TD][/TD]
[TD]
[/TD]
[TD]2” +.25
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD="colspan: 2"]Overall Growth
[/TD]
[TD="colspan: 4"]Average Growth per Plant
[/TD]
[/TR]
[TR]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD]
[/TD]
[TD].75"
[/TD]
[TD]
[/TD]
[TD].25"
[/TD]
[TD="colspan: 2"]
[/TD]
[TD]
[/TD]
[/TR]
[/TABLE]






When everything harvested with the HPS is cured the proper way in effort to not have water weight effect the data i will post in a few more days the results and try to do some math to quantify the results. My biggest question that i have been thinking about this whole time is what is the grams per watt? I know my igrow lights are saving me money and all the other great stuff about it but how much yield am i getting per watt im using is just a few days away.

Having fun

peace out

SteveyG

Looks good. Show some pics of the plants under the light.

how about some wide angle pics of the actual grow room environment? i'd love to see your actual setup, not just close-ups.

This is for you hyroot.

HPS Harvest Report

[TABLE="width: 685"]
[TR]
[TD="width: 123, colspan: 2"]HPS Plants[/TD]
[TD="width: 129, colspan: 2"][/TD]
[TD="width: 95"]

Weight​

[/TD]
[TD="width: 142, colspan: 2"][/TD]
[TD="width: 66, colspan: 2"][/TD]
[TD="width: 99"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"][/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"][/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"]AB[/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"]

4.66oz/132.10g​

[/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"]SB[/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"]

4.24oz/120.2g​

[/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"]SF[/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"]

3.89oz/110.3g​

[/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"][/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"][/TD]
[TD="width: 142, colspan: 2"]Overall Weight[/TD]
[TD="width: 196, colspan: 4"]Average Weight per Plant[/TD]
[/TR]
[TR]
[TD="width: 104"][/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"][/TD]
[TD="width: 106"]

12.80oz/362.90g​

[/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"]4.26oz/130g[/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"][/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"][/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 114, colspan: 2"][/TD]
[TD="width: 31"][/TD]
[/TR]
[TR]
[TD="width: 104"][/TD]
[TD="width: 19"][/TD]
[TD="width: 113"][/TD]
[TD="width: 16"][/TD]
[TD="width: 95"][/TD]
[TD="width: 106"][/TD]
[TD="width: 35"][/TD]
[TD="width: 51"][/TD]
[TD="width: 14"][/TD]
[TD="width: 99"][/TD]
[TD="width: 31"][/TD]
[/TR]
[/TABLE]

Based off of these yields, and to calculate the Gram-to-Watt ratio with the average number of plants per light being 6,
We will have to multiply our average overall weight by 2, bringing the hypothetical overall weight of 6 plants to 725.8g.
Having done so, the math to determine the gram to watt ratio is as follows;
725.8g ÷ 1000w= 0.7258g per watt

To determine the weight necessary for the IGROW plants to yield in order to equal the yields from the HPS plants the math is as follows;
0.7258gpw x 400w= 290g over all weight

Dividing 290g by the same number of 6 hypothetical plants with give us an average weight per plant of; 48g.
I know this is hypothetical but I know that my iGROW plants are going to produce more grams per watt, if they didn’t then they would not be an effective energy grow light. But to what extent we will see. harvesting now, will cure and then take dry weights.
But if the iGROW plants produce more than 290g I will be super stoked. especially now that i got my electric bill for the past few months that was about 40% less, well over the entire house bill at least - Yea!
and i dont want to forget that the quality just seems out of this world.


[TABLE="width: 650"]
[TR]
[TD="width: 128, colspan: 2"]IGROW Plants[/TD]
[TD="width: 134, colspan: 2"][/TD]
[TD="width: 99"]Bud Diameter[/TD]
[TD="width: 108, colspan: 2"][/TD]
[TD="width: 53"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
[TD="width: 109"][/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"][/TD]
[TD="width: 72"][/TD]
[TD="width: 36"][/TD]
[TD="width: 53"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
[TD="width: 109"]AB[/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"]

2.5”​

[/TD]
[TD="width: 72"][/TD]
[TD="width: 36"][/TD]
[TD="width: 53"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
[TD="width: 109"]SB[/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"]

2.0”​

[/TD]
[TD="width: 72"][/TD]
[TD="width: 36"][/TD]
[TD="width: 53"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
[TD="width: 109"]PE[/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"]

2.0”​

[/TD]
[TD="width: 72"][/TD]
[TD="width: 36"][/TD]
[TD="width: 53"][/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[TR]
[TD="width: 109"][/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"][/TD]
[TD="width: 108, colspan: 2"]Overall Growth[/TD]
[TD="width: 181, colspan: 3"]Average Growth per Plant[/TD]
[/TR]
[TR]
[TD="width: 109"][/TD]
[TD="width: 19"][/TD]
[TD="width: 118"][/TD]
[TD="width: 16"][/TD]
[TD="width: 99"][/TD]
[TD="width: 72"]

0.0″​

[/TD]
[TD="width: 36"][/TD]
[TD="width: 53"]0.0″[/TD]
[TD="width: 64"][/TD]
[TD="width: 64"][/TD]
[/TR]
[/TABLE]

Based off of the measurements taken and the bud development I believe all of the plants are in their final stages and ready to harvest.

peace out

SteveyG

Great job stevey, can't wait for the final results. I've been lookin into these but can't seem to find a seller for these in the uk.

Hey Hackett

i gotta agree; i'm pretty eager to see how this grow finishes up, too.

in regards to you having a hard time locating these lights, i think i can help you out.

in case you might have missed this in a different thread, you can apparently also order these same exact lights, from China directly, for $440 each plus freight: http://lvdlamp.en.alibaba.com/product/722921848-215069300/Induction_grow_lamp.html

i figured that you might want to compare those Chinese specs with Igrow's own spec sheet, considering an almost 3:1 difference in price, so i linked it here for you: http://igrowlights.com/images/pdf/product-sheets/400 watt multipupose.pdf

cheers!

Thank you. Has anyone order any of these and done any tests to compare. I have had mixed experiences with Chinese copy's of things.

you're very welcome, hackett.

i gotta agree about having dubious experience with inferior market offerings of what would seem to be comparable technology manufacturers. especially with regard to the ridiculous claims that some manufacturers make in order to try to set themselves apart from their (usually more established) competition, one must be very careful indeed when finally deciding what to spend their money on.

before i started growing with EFDL lights i was also very skeptical about the claims i was hearing about them, and had reservations as to if it was all marketing hype, or if there was really something to them. during my early searching for information on the internet about EFDL for horticulture, i was upset at just how little of it there was. at that time, i was only able to find 3 EFDL grows where a journal was started, but never finished.

then i happened to find the thread that i have linked below in my signature. i started participating in that thread (that link down there is to my first post there, so you won't have to skim thru to come to where i show up, or you can always start at page one) in February of 2012 (Happy New Year, everyone!) and you will be able to see my video and picture updates for several bloom runs based on EFDL.

in a nutshell, i use only Inda-Gro horticultural grade EFDL lamps now and have never been happier with my garden, or my lights.

hackett, i am posting the results later today or tonight after work, want to make sure that they are cured the exact amount as the hps, but they are some sticky stuff. i would go to growershouse.com and see if you can get one sent to you in uk. I am very impressed and cant wait to taste the difference.

peace out

steveyG

Hi stevey, I would be really interested in your opinion between the igrow and the India gro lights. I've been reading up on both. Shame you haven't had a chance to play with both. I'm kinda drawn towards the igrow as they have a specific bulb for bloom. But that's just what my gut feeling is. Looking forward to results time.

SteveyG said:

hackett, i am posting the results later today or tonight after work, ...

Click to expand...

updates? I'm curious to see results.

Ok so here we go, i wanted to make sure that the dry weight was equally measured, the iGROW bud is just so sticky it took a little longer than the hps.

[TABLE="width: 692"]
[TR]
[TD="colspan: 2"]IGROW Plants[/TD]
[TD="colspan: 2"][/TD]
[TD]Weight[/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]AB[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]4.3oz/121.9[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]SB[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]3.4oz/96.4g[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]PE[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]4.5oz/127.6[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"]Overall Weight[/TD]
[TD="colspan: 5"]Average Weight per Plant[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]12.2oz/346g[/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"]4.1oz/116g[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[/TABLE]


Using the same formula as before, we will multiply our 3-plant yield of 346g by 2 in order to simulate the yield of 6 plants
per light.

346g x2=692g

330.8g ÷400w= 1.73g per watt

Below are the pictures that i took with my new camera micro. You can see without it the difference in quality, but this helps:






As you can see from comparing the average gram per watt ratio between the two different types of lighting the
IGROW Induction Lighting won this particular contest hands down. While there was a slight difference in the bud size
When visibly comparing the plants side by side there is no arguing with better overall health of the IGROW or the math
showing the IGROW to be the more profitable and economical way to light my crops.

Additionally, these numbers don’t show the increased saving involved by being able to feed my plants 40% less or the savings associated with disconnecting
the multiple units required for ventilation and heat control that will no longer be needed. I’m currently in the process of
completely replacing my 1000w HPS’s with the new IGROW’s and would recommend them to anyone. I know that there
are many people who are immediately put off by the price but that will change the moment they do the math and decide to
invest in their first IGROW light and do their own test. Opinions come and go and are a right of all men but math never lies.

I learned so much with my first iGROW Bloom and i can't wait to post my second grow.

peace out and enjoy

SteveyG

Ok so here we go, i wanted to make sure that the dry weight was equally measured, the iGROW bud is just so sticky it took a little longer than the hps.

[TABLE="width: 692"]
[TR]
[TD="colspan: 2"]IGROW Plants[/TD]
[TD="colspan: 2"]Date Harvested[/TD]
[TD]Weight[/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]AB[/TD]
[TD][/TD]
[TD]21-Dec[/TD]
[TD][/TD]
[TD]4.3oz/121.9[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]SB[/TD]
[TD][/TD]
[TD]19-Dec[/TD]
[TD][/TD]
[TD]3.4oz/96.4g[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]PE[/TD]
[TD][/TD]
[TD]17-Dec[/TD]
[TD][/TD]
[TD]4.5oz/127.6[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"]Overall Weight[/TD]
[TD="colspan: 5"]Average Weight per Plant[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]12.2oz/346g[/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"]4.1oz/116g[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[/TABLE]


Using the same formula as before, we will multiply our 3-plant yield of 346g by 2 in order to simulate the yield of 6 plants
per light.

346g x2=692g

330.8g ÷400w= 1.73g per watt

Below are the pictures that i took with my new camera micro. You can see without it the difference in quality, but this helps:

View attachment 2471922View attachment 2471923View attachment 2471924View attachment 2471925View attachment 2471926View attachment 2471927
View attachment 2471929View attachment 2471930View attachment 2471931View attachment 2471933View attachment 2471935View attachment 2471936

View attachment 2471937View attachment 2471939View attachment 2471940View attachment 2471941View attachment 2471942View attachment 2471943
View attachment 2471944View attachment 2471946View attachment 2471948
As you can see from comparing the average gram per watt ratio between the two different types of lighting the
IGROW Induction Lighting won this particular contest hands down. While there was a slight difference in the bud size
When visibly comparing the plants side by side there is no arguing with better overall health of the IGROW or the math
showing the IGROW to be the more profitable and economical way to light my crops.

Additionally, these numbers don’t show the increased saving involved by being able to feed my plants 40% less or the savings associated with disconnecting
the multiple units required for ventilation and heat control that will no longer be needed. I’m currently in the process of
completely replacing my 1000w HPS’s with the new IGROW’s and would recommend them to anyone. I know that there
are many people who are immediately put off by the price but that will change the moment they do the math and decide to
invest in their first IGROW light and do their own test. Opinions come and go and are a right of all men but math never lies.

I learned so much with my first iGROW Bloom and i can't wait to post my second grow.

peace out and enjoy

SteveyG

Hackett761 said:

Hi stevey, I would be really interested in your opinion between the igrow and the India gro lights. I've been reading up on both. Shame you haven't had a chance to play with both. I'm kinda drawn towards the igrow as they have a specific bulb for bloom. But that's just what my gut feeling is. Looking forward to results time.

Click to expand...

I'm impressed with SteveyG's results too. It's amazing how good that grow went for such little wattage and heat. Everyone knows it takes two lamps to do that and any company trying to just sell one lamp from veg-flower will NOT get these kind of results. I don't need a side by side to tell me what my eyes have already seen in this journal. I do believe we are looking at the future of indoor grow lights from a QUALITY US made USDA approved grow light! I'm sold and will be getting two within the next week or two. Thanks Stevey and nice work!

With igrow being a new company, bringing a new product to market, it must be encouraging to find such a loyal following.

subscribed.

Is there any evidence that one brand is better than another?
It appears (at least superficially) that most of the 400w lights offered by iGrow, Inda-gro, the Sun-Light series, generic eBay stuff and so on are the same Chinese bulbs... maybe mounted onto something in America to call them 'American made'.

Are they all the same thing, with totally different pricing?


BTW - if you are looking at savings vs a comparable bulb:

A) nice 600w bulb and ballast is $290 at the grow store, bulbs performs well for 4 months
B) induction bulbs and ballast is $390 ordered online, bulb lasts 4 years (they claim 10+ years).
If you are really adventurous you could just buy the bulbs for $180 and assemble your own contraption.

SteveyG said:

Ok so here we go, i wanted to make sure that the dry weight was equally measured, the iGROW bud is just so sticky it took a little longer than the hps.

[TABLE="width: 692"]
[TR]
[TD="colspan: 2"]IGROW Plants
[/TD]
[TD="colspan: 2"][/TD]
[TD]Weight
[/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]AB
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]4.3oz/121.9
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]SB
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]3.4oz/96.4g
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD]PE
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]4.5oz/127.6
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"][/TD]
[TD="colspan: 2"][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 2"]Overall Weight
[/TD]
[TD="colspan: 5"]Average Weight per Plant
[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD]12.2oz/346g
[/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"]4.1oz/116g
[/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD="colspan: 3"][/TD]
[TD][/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[/TABLE]


Using the same formula as before, we will multiply our 3-plant yield of 346g by 2 in order to simulate the yield of 6 plants
per light.

346g x2=692g

330.8g ÷400w= 1.73g per watt

Below are the pictures that i took with my new camera micro. You can see without it the difference in quality, but this helps:

View attachment 2471922View attachment 2471923View attachment 2471924View attachment 2471925View attachment 2471926View attachment 2471927
View attachment 2471929View attachment 2471930View attachment 2471931View attachment 2471933View attachment 2471935View attachment 2471936

View attachment 2471937View attachment 2471939View attachment 2471940View attachment 2471941View attachment 2471942View attachment 2471943
View attachment 2471944View attachment 2471946View attachment 2471948
As you can see from comparing the average gram per watt ratio between the two different types of lighting the
IGROW Induction Lighting won this particular contest hands down. While there was a slight difference in the bud size
When visibly comparing the plants side by side there is no arguing with better overall health of the IGROW or the math
showing the IGROW to be the more profitable and economical way to light my crops.

Additionally, these numbers don’t show the increased saving involved by being able to feed my plants 40% less or the savings associated with disconnecting
the multiple units required for ventilation and heat control that will no longer be needed. I’m currently in the process of
completely replacing my 1000w HPS’s with the new IGROW’s and would recommend them to anyone. I know that there
are many people who are immediately put off by the price but that will change the moment they do the math and decide to
invest in their first IGROW light and do their own test. Opinions come and go and are a right of all men but math never lies.

I learned so much with my first iGROW Bloom and i can't wait to post my second grow.

peace out and enjoy

SteveyG

Click to expand...

I know this thread is done but just wanted to say NICELY DONE !!!! .... Thank you for putting my mind at easy!!!!!! After some serious research into the IGROW I thought, this is the one..... Then I started reading the other thread about Induction lighting and all the pessimistic views and bullshit killed that off..... Then I thin I got to about page 38, see you appear, so thought i'd check you out..... Low and behold YOU ABSOLUTELY FUCKING SMASHED IT SteveyG !!!! )))))))))))))) !!!!!! Thank you very much !!! Look forward to seeing your knew stuff!!!

now we need this done with all one single strain and 6 plants/four plants per light. Also need a kill-o-watt to verify power draw on the induction light.
For clarification; there were 3 plants representing 3 different strains under each light? The induction light grew 16.9 grams less (about 5% less) but uses 60% less power?

Thanks a ton for doing this.