RenaissanceBrah said:

Does anyone know how much light the waterproofing blocks, on LED lights?

Is it a lot, or just like a 1-2% difference?

I'm going to order 2 Kingbrite lights and wanted to get them with waterproofing.

(I turned my guest bathroom into my grow room, just in case pipe bursts, etc).

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Anthem said:

Did you take a look at what the company adds to be the IP65 certification or just throw the post up because it was easier than doing a little research? The answer is the waterproofing does nothing to effect the PPFD, Luv or whatever other term you would like to use to determine the amount of light the plant is getting.

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RenaissanceBrah said:

Waterproofing does do something, how much is what I'm trying to figure out exactly. In physics, light gets refracted when going through a medium. My question here is how much. Trying to see if anyone on here has anectodal experience. Kingbrite says 2%, nothing on their website about their IP65 certification. Seems like it's not a big deal, but once again, just doing my (little) research before dropping money on lights.

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Anthem said:

This is not correct.. IP65 is mostly to do with the plugs, the LED's themselves are surface mounted thru a waterproof membrane. I have sent how it is achieved too many times with different manufacturers but the LED itself is surface mounted thru the waterproof membrane and it attributes to no loss of PPFD. They all use a similiar product for the actually waterproofing of the fixture itself and robots place each LED thru the membrane. There are no additional covers applied to the LED's themselves.

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