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See TillyTec - ein einzigartiges Lampensystem - contact BTW, the TillyTec torch TillyTec - ein einzigartiges Lampensystem - MPL 500/UV Light has "UV" in its name but it's actually a broadband LED in the violet range (ca. 400-430 nm), last thing I know (might have changed in the meantime if Tilly...

Because it appeared in the ScubaBoard Newsletter "ScubaBoard News Highlights - June" TODAY.

See e.g. Aeroskin - Hood

Do you think you have seen it all?! You may be mistaken! :-) Have a look at underwater fluorescence here: FluoMedia.org: All Things Fluorescence Diving In particular see the video Biofluorescent Night Dive - Dahab/Red Sea (Egypt), Masbat Bay/Mashraba, "Roman Rock" - YouTube THEN you'll have...

P.S.: You can also share (or ask) everything related to fluorescence diving and underwater fluorescence in this Facebook group and Google+ community.

See Effects of UV or blue light on marine life for a discussion of this. Summary: See also On The Rise: Fluorescence Night Dives / Background, Basics and Techniques: History:

The links mentioned above have changed. See now Steffen Beyer - Fluolinks FluoMedia.org: Science FluoPedia.org: Publications

Even more great info can be found here: FluoMedia.org: Science FluoPedia.org: Publications

Thanks! Even more great info can be found here: FluoMedia.org: Science FluoPedia.org: Publications

You are welcome of course! :-) Note that one of the links mentioned above has changed: Steffen Beyer - Fluolinks Even more great info can be found here: FluoMedia.org: Science FluoPedia.org: Publications

See Steffen Beyer - Fluolinks for a list of manufacturers of fluo diving equipment - not necessarily complete or entirely up to date, though. That same page also contains a lot of useful links for making DIY torches. Even more great info can be found here: FluoMedia.org: Science...

Even more great info can be found here: FluoMedia.org: Science FluoPedia.org: Publications

Dear Mariana, one thing that has changed after 200+ dives with certainty is your behaviour under water. Your pattern of movement changed, your SAC (surface air consumption) rate changed. But likely nobody can tell how that influences your risk to get bent... Boa sorte!!

There is more to it than just a blue LED and a piece of yellow plexiglas; see e.g. FireDiveGear.com: Excitation Filters and FireDiveGear.com: Barrier Filters for explanations and illustrations why. For just trying it out once that might be sufficient, but you may not get a very good result. I...

The problem with UV is that the fluorescence excited by true UV light is rather poor, compared to the use of blue light. See e.g. FireDiveGear.com: Technology for more information and example images. See e.g. FireDiveGear.com: Bargains for some pretty affordable high-quality fluorescence dive...

I actually did "debrief" her, in a friendly way, and told her I never knew where and who she was among the crowd, and that this was precisely the reason why I had asked her to carry a marker light, during briefing, which she had refused. Her reaction during the debriefing was something like, "Oh...

One thing that happened over and over again to me: During night dives the other divers of the group (including a dive instructor and my "buddy") were not in the slightest concerned with me staying behind (because I was taking pictures). They didn't even notice. They wandered off so far that I...

Dear divers, Torben Lønne from Dive.in magazine asked on Google+ about any bad experiences involving instructors, divemasters or dive buddys. Here are a few stories: I haven't experienced any nightmares yet, the stupidest thing I ever saw (January 2009 at the house reef at Punta Cana) was a...

Many dive instructors insist on their students holding on to the anchor line... :( ---------- Post added November 14th, 2013 at 06:11 PM ---------- Exactly my point!

The list of operators who offer fluorescence diving has grown a lot in the meantime. See Steffen Beyer - Fluopedia for such a list. It is probably incomplete. See...