Have any of you DIY COB Growers finished a crop under 1000W DE HPS? - POLL

[PurpleBuz]

As for RIO, DE wins. People who care about wattage are small timer growers. Large commercial is not worth years od RIO for not much electrical costs in comparison.
.

actually this isn't true, more and more "legal" commercial grows are moving to LEDs as investment capital is available.

 

[Trippyness]

actually this isn't true, more and more "legal" commercial grows are moving to LEDs as investment capital is available.

I know several who have tested LED, but it was very biased.
From a business perspective, COB for commercial are 3-4 x the price, just is not viable, but please do prove me wrong.
As well there isnt much for commercial COBS other than Tasty, Johnson and PLC and a few others as well as Commercial need to use UL certified lights for inspection , so again limited.
Just is not viable from a ROI perspective.
Look at it this way. As an investor, would you like to make your money back and be in profit within a year or within 5 years?
COBS are expensive ,even at larger MOQ.
DE PAR is just as good and can pull very serious yields. The electricity is worth it for a much quicker ROI.
Again prove me wrong, but I just do not see it.

 

[PurpleBuz]

I know several who have tested LED, but it was very biased.
From a business perspective, COB for commercial are 3-4 x the price, just is not viable, but please do prove me wrong.
As well there isnt much for commercial COBS other than Tasty, Johnson and PLC and a few others as well as Commercial need to use UL certified lights for inspection , so again limited.
Just is not viable from a ROI perspective.
Look at it this way. As an investor, would you like to make your money back and be in profit within a year or within 5 years?
COBS are expensive ,even at larger MOQ.
DE PAR is just as good and can pull very serious yields. The electricity is worth it for a much quicker ROI.
Again prove me wrong, but I just do not see it.

make all the arguments you want. It is happening. The startup for a Top End DE setup + cooling isn't that cheap anymore.

 

[ttystikk]

Great thread, it got trashed real quick.
Alot of trolling going on, but some very valuable information.
Here is my take on this, as a person who has used many different lights.
For the hobbyist where wattage and efficiency counts, this is where COBS shine.
As for RIO, yes if your growing for profit it may take some time to recoup the benefits for sure.
In addition, in a few years when you do get your RIO back, new technology will be out and much better.
As for commercial, I do not see why anyone would switch to COB. The cost is insane, that is a business market.
Paying 3-4x the price of a DE for several years of RIO is not a good investment.
DE can pull alot, 2.5-3lbs per light at 1k.
With the new ACDE hoods with indirect cooling that does not affect PPFD is a game changer.
As well as cooling DE is honestly not that hard. People are way over blowing the heat of a DE.
They are hot but still coolable with good ventilation.AC is only needed for larger amounts of lights.
The ACDE HOODS, can get quite close even with glass removed.
I love COBS and the PPFD is amazing, but the price is just way too high for commercial at this point.
As well, the dropoff of penetration cannot compare to DE. COBS have good penatration and can grow trees, but a DE will out perform in penetration.
As for RIO, DE wins. People who care about wattage are small timer growers. Large commercial is not worth years od RIO for not much electrical costs in comparison.



What I want to see is the following;

2 5 x 5 grow areas or 2 x 5 x 10 areas with light movers for each
(light movers work if you know how to use them)
Same clones, similar size, 30 day veg, same light cycles, same nutrients, same medium.
1000w of COBs, Either CXB or Vero 29.
1000w of DE with wither a pre built fixture or a ACDE hood.

Same amount of plants.

Want to see a final dry yield as well as real THC testing.

This needs to be done by someone with the means.

I may do this just to get all this BS done with.

For everyone to finally shut up and see which is the better technology and by how much.

Would anyone be interested in this?

Would love for the trolls to be done commenting.

Put this to the test.

We all know COBS are the most efficient PAR per watt and even better when driven lower such as 700ma.
Price is just too high.
One day I hope to see a BML type light with COBS commercially.

This is a debate, I am not a fanboy of any lighting system, I want the best watt for watt.
I would rather replace 1k watts getting 2lbs for 1k of COB and see how much yield increases.
People need to start using the same wattage and see what yields.
If anyone has done this please link me.

Done. Only I replaced 5400W of 860W CDM Allstart lamps with 5400W of CXB3590 CD BIN 3500K @56% efficiency.

Get back to me in 2 months.

 

[ttystikk]

I know several who have tested LED, but it was very biased.
From a business perspective, COB for commercial are 3-4 x the price, just is not viable, but please do prove me wrong.
As well there isnt much for commercial COBS other than Tasty, Johnson and PLC and a few others as well as Commercial need to use UL certified lights for inspection , so again limited.
Just is not viable from a ROI perspective.
Look at it this way. As an investor, would you like to make your money back and be in profit within a year or within 5 years?
COBS are expensive ,even at larger MOQ.
DE PAR is just as good and can pull very serious yields. The electricity is worth it for a much quicker ROI.
Again prove me wrong, but I just do not see it.

We're ALL in the process of doing exactly that, bro.

 

[Trippyness]

make all the arguments you want. It is happening. The startup for a Top End DE setup + cooling isn't that cheap anymore.

Again, I am not biased here. Have you ever priced COBS?
A DE fixture will run you between 400-500, COBS 200-2500 for equal results.
Again, COBS are superior I do believe from what I have seen and the numbers, but commercially it is just not viable.

 

[ttystikk]

make all the arguments you want. It is happening. The startup for a Top End DE setup + cooling isn't that cheap anymore.

True that.

 

[Trippyness]

We're ALL in the process of doing exactly that, bro.

Would love to see it.
May I ask what your getting from your COBS?
Ever ran 1k of COB or close and if so what was the result, veg time,medium etc.

 

[ttystikk]

Would love to see it.
May I ask what your getting from your COBS?
Ever ran 1k of COB or close and if so what was the result, veg time,medium etc.

You may have missed a post above.

 

[Trippyness]

Done. Only I replaced 5400W of 860W CDM Allstart lamps with 5400W of CXB3590 CD BIN 3500K @56% efficiency.

Get back to me in 2 months.

Would love to see the results. I am open minded.
I just cant see warehouses spending that kind of capital for yields they can get with DE

 

[Trippyness]

You may have missed a post above.

I did, saw it now.

 

[PurpleBuz]

Again, I am not biased here. Have you ever priced COBS?
A DE fixture will run you between 400-500, COBS 200-2500 for equal results.
Again, COBS are superior I do believe from what I have seen and the numbers, but commercially it is just not viable.

yup I have.

go shopping for a truly top end DE setup, annual bulbs, extra cooling, and annual reflector changes, and you will be really close to a PLC or Tasty lamp or the new Fluence line (BML).

 

[ttystikk]

Would love to see the results. I am open minded.
I just cant see warehouses spending that kind of capital for yields they can get with DE

We'll agree to disagree on this point, then.

 

[Greengenes707]

Again, I am not biased here. Have you ever priced COBS?
A DE fixture will run you between 400-500, COBS 200-2500 for equal results.
Again, COBS are superior I do believe from what I have seen and the numbers, but commercially it is just not viable.

Have you every priced cobs?
1500$ commercial retail cost. No bulbs and 30-40% less on cooling and lighting. Done. And that is counting gavitas/DE's on overdrive.

This is reality. If you call yourself commercial...but can't afford...your not commercial. This is big business now days and price tags that have a real purpose don't scare real investors...just makes them think more thoroughly.

 

[BOBBY_G]

I wish they would come out with a AC/DE type reflector with a replaceable insert so you could freshen it up at lamp change like a Gavita

woulnt be hard to cut your own


or write sunlight supply ill bet they sell it

 

[Trippyness]

Have you every priced cobs?
1500$ commercial retail cost. No bulbs and 30-40% less on cooling and lighting. Done. And that is counting gavitas/DE's on overdrive.

This is reality. If you call yourself commercial...but can't afford...your not commercial. This is big business now days and price tags that have a real purpose don't scare real investors...just makes them think more thoroughly.

Again 3 x the price of a DE. All about ROI. Again not debating how good COBS, but would like to see a grow watt for watt against DE.

 

[Trippyness]

yup I have.

go shopping for a truly top end DE setup, annual bulbs, extra cooling, and annual reflector changes, and you will be really close to a PLC or Tasty lamp or the new Fluence line (BML).

The new fluence lights use Samsung, LG and Osram... would be good lights other than the samsung and lg diodes..
Anyways
I have went shopping, can pick it all up for under 500.
Sure annual bulbs, but DE are at 90%, still a 10% loss.
Again, please prove some evidence to backup claims.

 

[Trippyness]

Again 3 x the price of a DE. All about ROI. Again not debating how good COBS, but would like to see a grow watt for watt against DE.

As well, as of yet I am yet to see a COB pull more than a DE.
Please provide sources if true. Watt for watt.

 

[BOBBY_G]

As well, as of yet I am yet to see a COB pull more than a DE.
Please provide sources if true. Watt for watt.

quite a few examples of RIUers pulling 1.7-2 lbs per watt. greengenes and growmaus come to mind, and theyre not shy with sharing info

are you saying youre getting 4-5 lb per 1000?

 

[captainmorgan]

2 GPW at just under 30 watts per sq/ft comes to 2.2 ozs a sq/ft. Anybody ever hear of a longer term investment,if you don't get your money back in a year it must be a bad investment I guess.