I'm looking at buying a replacement for my pool and not very keen on spending $400 for a Pentair bulb... I would also like to avoid buying the cheaper alternative 500W halogen bulb, which would cost me more in the long run... I found one in particular, designed for enclosed fixtures, 2000 lumens, 17.5W, omnidirectional light, which they say has a new technology which improves the cooling efficiency by up to 15 degrees Celsius, and I quote:
"XLEDIA LED bulbs have passed tests in which the bulb was operated in an enclosed chamber at 60 degrees celsius, 90% moisture and for 1,000 hours."
Or if anyone has any pros/cons against using an off-shelf light bulb, I'd really appreciate the advice. Are pool light bulbs special and/or different in any way from regular LED bulbs?