beginningbotanist420
Well-Known Member
After doing a little reseach on the internet for a new 600w HPS, i came across this link and it made me wonder. A High-Pressure Sodium lamp only emits 150 lm/W [lumens per watt], where a Low-Pressure Sodium/Sodium Oxygen lamp emits somewhere between 183-200 lm/W [or about 190 on average]. The largest LPS/SOX bulb on the link below was a 180W, which puts out somewhere between 32940 lumens and 36000 lumens. Although this is 4560-1500 lumens below the 37500 of a 250w HPS bulb, you are saving 70w, [plus these lumens can be made up with a CFL or 2]. If i were to purchase 3 180w LPS/SOX bulbs (~103,500 lumens) instead of a 600w HPS (~90,000 lumens), i would be saving 60w and be putting out ~13,500 MORE lumens! Also, with the saved 40w, i could throw in a blue-ish 42w CFL to balance out the predominantly red spectrum of the LPS/SOX.
A simple google search by "low pressure sodium bulbs" returned this link: Low Pressure Sodium Lamps - ProLighting.com.
Here is a link showing lighting efficientcy of lumens per watt Luminous efficacy - Wikipedia, the free encyclopedia
The only thing that is slowing down my decision is the lack of resources saying this is a possibility/good idea. After about an hour of research, no where on the web have i found anything that even suggests that this is a feasible idea. Either i'm right and i'm stricking the surface of a new discovery, or, i'm just completely wrong.
One reason i think this idea might be wrong is the color temperature of a 180w LPS/SOX bulb is 1800K. The lowest temperature that i can find to be useful in plant growth is 2700K, which is used for flowering. But, as mentioned earlier, could this be balanced out with a 6500K CFL?
What do you think? Feasible idea, or piece of shit idea? and why?
A simple google search by "low pressure sodium bulbs" returned this link: Low Pressure Sodium Lamps - ProLighting.com.
Here is a link showing lighting efficientcy of lumens per watt Luminous efficacy - Wikipedia, the free encyclopedia
The only thing that is slowing down my decision is the lack of resources saying this is a possibility/good idea. After about an hour of research, no where on the web have i found anything that even suggests that this is a feasible idea. Either i'm right and i'm stricking the surface of a new discovery, or, i'm just completely wrong.
One reason i think this idea might be wrong is the color temperature of a 180w LPS/SOX bulb is 1800K. The lowest temperature that i can find to be useful in plant growth is 2700K, which is used for flowering. But, as mentioned earlier, could this be balanced out with a 6500K CFL?
What do you think? Feasible idea, or piece of shit idea? and why?
