Amount of UVB from a cfl an Metal halide

Mayor Quimby

Mayor Quimby

Active Member
I have a small side kali-mist grow under 209 watt CFL's (104w 6500k and 105w 2700k). I've thought of replacing it with a small metal halide but was wondering the difference in UVB they emit. Ive seen color intensity charts but none speak of UVB. I also saw "Reptile bulbs" claiming 10% at 10$ a piece. Can anyone provide some insight to this? Is Metal halide the best source of UVB?
 
TheFaux

TheFaux

New Member
Roseman said:
Those Lizzard lights are too low wattage and emit very few lumens.
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He want to use them for UV, not for growing plants. Why do you think he brought it up in the first place? Plants don't use lumens so your point is moot.
 
TheFaux

TheFaux

New Member
Mayor Quimby said:
I have a small side kali-mist grow under 209 watt CFL's (104w 6500k and 105w 2700k). I've thought of replacing it with a small metal halide but was wondering the difference in UVB they emit. Ive seen color intensity charts but none speak of UVB. I also saw "Reptile bulbs" claiming 10% at 10$ a piece. Can anyone provide some insight to this? Is Metal halide the best source of UVB?
Click to expand...
Bro, just stick with what you got unless you're stepping up the wattage. Just concentrate on perfecting the grow environment and your plants will reward you with more potency. As potent as KM is, I doubt you'd notice a difference with reptile lights.
 
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