According to Sanjays data, I believe it is the highest Par 14k bulb on an icecap ballast. There was one bulb that was consistently better, but they are not available. I will look again.I forget where I got mine, but they are junk IMO.The par is low for a 250 watt. Not sure what I will use when these are expired, but it will not be Hamilton 14ks.
Oh, yes the ballast makes all the difference!Mine are on PFO ballasts. I checked them with a par meter a while back and it was very low. I can't recall the exact # though.
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