Quote:
Originally posted by littleprince
Ah... But its still confusing.
Like, for the Ushios. Ushio publicly states that their bulb is meant for the pulse start ballasts, EXCEPT the 250W bulb which was redesigned for an M58 ballast.
Or the fact that hellolights recommends the M58, over the M138 for the AB SE bulbs.
Its still all confusing to me.
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ushio's are confusing because ushio makes them confusing. you can see here what ballast you need for each wattage of bulb:
Ushio Aqualite
why did they choose a different style ballast for each wattage? who knows. ask Ushio.
that's why it's important to research each bulb and what ballast it needs before just blindly throwing one in your fixture and hope it works because you have the same wattage ballast as the bulb.