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D_&_T · 10-13-2008, 04:40 PM

If I understand right "initial lumens" is the first use or beginning life of bulb, the other is what it puts out over the avg. life of bulb(mean). This is why they adjust the bulbs on tanning beds and warn (sunburn)when changing bulbs if they just turn it on and never adjust, just let bulbs run out their life! Some bulbs depending on ballast have a steady burn or taper off in lumens the more they are used(bulb life).

please educate me if wrong!!

10-13-2008, 04:40 PM	#13 (permalink)
D_&_T 3rd winter growing indoor D_&_T's Photo Gallery Location: Northern Indiana Find me on the map! Zone: 5 Name: Dan Join Date: Jul 2007 Posts: 877 BananaBucks : 30,822 Feedback: 4 / 100% Said "Thanks" 2,437 Times Was Thanked 260 Times in 169 Posts Said "Welcome to Bananas" 342 Times	Re: Lighting for the winter If I understand right "initial lumens" is the first use or beginning life of bulb, the other is what it puts out over the avg. life of bulb(mean). This is why they adjust the bulbs on tanning beds and warn (sunburn)when changing bulbs if they just turn it on and never adjust, just let bulbs run out their life! Some bulbs depending on ballast have a steady burn or taper off in lumens the more they are used(bulb life). please educate me if wrong!! __________________ Last edited by D_&_T : 10-13-2008 at 04:42 PM. Reason: finished thought, need to learn to type faster LOL!