Apr 25, 2019 at 11:32 PM Author: Fluorescent05
Daylight.

I can't pretend a stranger is a long awaited friend. -Neal Peart

Apr 26, 2019 at 06:22 AM Author: dor123
Regular daylight halophosphors, don't glows under blacklights. I think it is some form of daylight deluxe phosphors.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Apr 26, 2019 at 06:36 AM Author: rjluna2
Cool

Pretty, please no more Chinese failure.

Apr 26, 2019 at 07:15 AM Author: Fluorescent05
Quote from dor123 on Apr 26, 2019 at 05:22 AM Regular daylight halophosphors, don't glows under blacklights. I think it is some form of daylight deluxe phosphors. This lamp is a Philips ALTO lamp with thinner glass than other lamps, so less UV from the blacklight is absorbed by the glass, so the phosphors in it might be halophosphors.

I can't pretend a stranger is a long awaited friend. -Neal Peart

Apr 26, 2019 at 08:56 AM Author: dor123
Daylight halophosphors glowing only by the short wave UV, hence it don't glow under blacklight.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Apr 26, 2019 at 09:58 AM Author: Lightingguy1994
If the lamp was a high CRI itll have triphosphors. My Alto supremes are high cri cool white and they glow green too.

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Apr 26, 2019 at 12:12 PM Author: dor123
So it have some form of high CRI halophosphors. Daylight triphosphors glowing bluish white under blacklight. I confirmed this in the far past, when I had a blacklight CFL.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Apr 26, 2019 at 07:53 PM Author: Binarix128
Cool ! The actual normal coats of the fluoreacent tubes not glows under the blacklight !

LED will never beat other lamps.
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Nov 30, 2019 at 06:56 AM Author: Fluorescent05
Update: I recycled the Philips Alto to get a new GE 5000K F20T12 lamp.

I can't pretend a stranger is a long awaited friend. -Neal Peart