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Attention, all Double End Users. If anyone has used a DE Lamp for long enough to see wear, I need to hear from you ASAP! I need to know if there Is this a way to tell how much life is left in a DE bulb by looking at it, if your not sure of the hours? Do the DE arc tubes start to turn grey and...

I was shocked to see, right on the middle of my beatiful new DE bulb, looks like a glass nipple/dimple. I thought at first it was a manufacturing defect, but the more I look at pictures of the bulb on other sites, it appears that they all have some sort of little round bump in the middle of the...

I have finally decided to invest in double end hoods and lamps, since one of my nice ballasts was already double end capable, and I was able to get another identical ballast for next to nothing. I am having trouble with bulb selection though. Every bulb I find seems to be the SON-T PIA green...

So I currently run 2 hortilux HPS bulbs in cool tube reflectors in my flower room. I got the cool tube reflectors to have minimal drag to the air blowing through. My temp is great right now, and I dont need AC. I am however looking to widen my spectrum, and add some UV rays to increase resin...