Recent content by dennis000

Now we have more choice

PAR lower but spectrum full

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...

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

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

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

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,

The current 630w is made with 2x 315w

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

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

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

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

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

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.

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...