F
fleshstain
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i've got a 400W electronic ballast that runs either HPS or halides....my friend gave me a Hortilux 430W bulb....will the 400W ballast run the bulb at peak efficiency or just at 400W?
I use a 400W for the same bulb and I've had no problems.fleshstain said:i've got a 400W electronic ballast that runs either HPS or halides....my friend gave me a Hortilux 430W bulb....will the 400W ballast run the bulb at peak efficiency or just at 400W?
Slowhand said:The 430 watt bulb runs on the 400 watt ballast because they don't even make a 430 watt ballast.If you buy a 430 watt system like i have you still get the 400 watt ballast.I hope this helps , so go ahead a run your 430 watt bulb.
Slowhand said:The 430 watt bulb runs on the 400 watt ballast because they don't even make a 430 watt ballast.If you buy a 430 watt system like i have you still get the 400 watt ballast.I hope this helps , so go ahead a run your 430 watt bulb.
That's interesting HK. I bought both of my Electronic 400W ballasts from BetterGrow Hydro, (BGH), and asked them specifically if the 430 Hortilux bulb would be appropriate for the Lumatek electronic ballasts. The person I spoke to assured me that the ballasts was fully capable of operating the 430 Hortilux HPS bulbs correctly. At the time, I looked, but didn't find a 430 Watt electronic ballast. That's why I called them. Perhaps I should have looked harder.HK-Buddy said:Actually, there are several manufacturers of 430 Watt ballasts, according to the marketing. But, I haven't found any overt issues with using a 430 watt bulb with a 400 watt ballast.
HK
I'm going to check with a lighting engineer and find out exactly what the deal is on this. My curiosity has been stirred.fleshstain said:i guess my main concern is the 30W differential....is this lowering the lumen output on the lamp since it's not running at 430W?....i guess i should just buy a light meter and compare the 2....
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