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Originally posted by stephane:
As for HQI refering to DE HQI vs mogul a MH is completly false HQI is a trade mark from Sylvania
from bulb that are not even DE but mogul, but all europeen call there bulb HQI single ended or DE double ended. Same compagny DE or mogul are the same bulb but whith different socket DE are made for Europe home and comercial mogul are made for industrial That the only difference but most of the time american run mogul whith regular ballast and those bulb are not made for this they should be run whith the exacly same ballast that a DE.
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<font size="2" face="Verdana, Helvetica, sans-serif">yup this is true, HQI's can be had in either DE or SE and both use a HQI ballast.
(for the record HQI is a tradmarked name by Sylvaina, but I will use it to refer to all bulbs that use the same technology weather they are single ended or double ended as this is what the aquarium indistury is doing.)
Thats not the point though, both Ushio and AB make NON-HQI standard mogal MH bulbs and they were used in the tests also. if you look at the page I posted in my last post Steph the only two HQI bulbs tested were the Ushio 250 HQI and the AB 150. All the other AB and Ushio bulbs were everyday ordnary MH bulbs, the 400 watt Ushio and AB are a good example of this.
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as for the other 250w bulb like mogul sunburst, radium blue line and ALS you can not commpare them either because they are not true 10k but super blue bulb [/QB]
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<font size="2" face="Verdana, Helvetica, sans-serif">ahh yes but they are advertizing as 10K are they not? if you want to say something is a 10K then you can compare it against other 10K's
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Do you have the anual 2002? I tink you should point your nose in those number are from there but you are right the AB was a mogul but it will be same result whit a DE
they are the same bulb[/QB]
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<font size="2" face="Verdana, Helvetica, sans-serif">Yes I do Steph and there was no 250 HQI tested in there, I think you are being confused by the testing of a Aqualine 250 10000K and it being real close to a 250 watt Iwasaki. this bulbs is not a HQI but just a satandard MH bulb designed to run off a standard MH ballast.
Steve