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  1. dennis000

    Club 315w lec

    Now we have more choice
  2. dennis000

    What do you think about CMH lights?

    PAR lower but spectrum full
  3. dennis000

    What is the best De 630w CMH bulb available in Australia?

    See those pics, I am one of their suppliers. 1, the two 315w burners are not exactly same size, connect them together we cannot guarantee the power is same on two burners, the lower power one will broken first. 2, It's connected in series to produce acoustic resonance which is harmful to...
  4. dennis000

    Best HPS BULBS on the market?

    Not the best, Luxx DE is same as digilux and aruna, you will clear after reading my test report
  5. dennis000

    Best HPS BULBS on the market?

    Read the attached test report, you will clear how to choose the real DE
  6. dennis000

    When to put seedlings under CMH

    It is really much different than a regular MH. 4K MH 4k CMH
  7. dennis000

    What is the best De 630w CMH bulb available in Australia?

    Isn't it connected with 2x 315w burner? Such DE CMH has high failture rate. Let me show you 630w burner below. This is single 630w burner DE,
  8. dennis000

    What is the best De 630w CMH bulb available in Australia?

    The current 630w is made with 2x 315w
  9. dennis000

    What is the best De 630w CMH bulb available in Australia?

    All above brand are from same company, there are only two companies make 315w CMH burner in China, you have no other choice.
  10. dennis000

    Anyone tried 1000 watt de Eye Hortilux

    The attach file can help you know more about 1000w DE bulb
  11. dennis000

    LED vs HPS Grow Room Setup ROI

    LED don't have UV light, CMH is the best for indoor grow.
  12. dennis000

    Overclocking a de cmh bulb to 1150?

    Any CMH bulbs can work with high frequency ballast, but with the risk of crack, low frequency square wave ballast is reliable for CMH.
  13. dennis000

    1000w de sensi northern lights #1 grow

    I failed to upload pics, so I write at linkedin, you can read here https://www.linkedin.com/pulse/ir-problem-1000w-de-dennis-yang/?published=t
  14. dennis000

    1000w de sensi northern lights #1 grow

    HI-PAR 1000W de? It is made by me for greenhouse with more infrared than normal, I didn't know they will sell it to indoor grower, surely the heat will too high if you set so close to plants. We have low infrared ones.
  15. dennis000

    New Welthink will attend CWCB Expo 2019

    Welthink had been sold on June 2018, no matter what happened in this forums, it's all gone. New boss and me will attend CWCB Expo at the Jacob K. Javits Convention Center, New York. Booth No.448 I mainly in charge of grow light developing, will bring 2400umol/s 1000w DE HPS, 680umol/s 315w...
  16. dennis000

    Double Ended Lights

    There is a regular E39 1000w with DE burner inside on the market, performance as well as DE, so as you don't need to use DE reflector
  17. dennis000

    New 315w developed

    Customers demand more UV in 315w CMH for Cannabis grow, so we have developed a new one. Left is the one most companies selling on alibaba.com, right one is our new developed. I test with OHSP-350P, a new handheld tool. I set the light 50cm away from sensor, sorry for my messy...
  18. dennis000

    Can a 630 watt CMH match a 1000 watt HPS?

    As the first LF 315w and 860w ballast inventor, I suggest you don't use 630W DE on 1000w HF HPS ballast, it will crack approx 500 hours. And 630w DE CMH bulb is also not good, the 2 burners are not exactly same, after using a period of time one burner will brighter while another one will be...
  19. dennis000

    Don't Buy Cheap 1000w De On Amazon Or Ebay

    I have collected some useful data to check the differences between cheap one and real one, see attached
  20. dennis000

    Double Ended 630w LEC Lamps. Anyone used these?

    As manufacturer I suggest you don't use 630wDE. 1. The 2 burner inside are not exactly same, after using a period of time, one will be more bright and another one will be darker, the spectrum will be no more as well as before. 2. one burner finish the whole DE will finish, why not use 2 X 315w ...
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