GNB Equipment

Fluorescent Mineral Photo Gallery

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I’m really getting tired of all the BS out there. Chinese vendors make outlandish claims about their flashlights and non-technical...

Longwave, shortwave, midwave flashlights are all the rage lately. 365nm, 255nm, 310nm - some amazing fluorescent minerals are being...

(work in progress....) Just a few years ago my feeling was that we would not see SW flashlights "in my lifetime". I was so wrong. They...

I'm not sure how many people have built the 18 watt SW conversion from Mark Cole's plans on MinerShop, but if you did or intend to do so,...

My small hand-held short wave lamp is useful, but has its limitations. I was interested in a much more powerful light for display and...

(This is copied from a Facebook post by Bruce W. Black boxes are had to find for our hobby; white boxes destroy fluorescence.): Ever...

In general, the Ah capacity of batteries sold from China are not worth the plastic they are printed on. The vendors/manufacturers lie so the

The most powerful 365nm flashlight in its class (or any class). Open source design

Friends don't let friends use crappy unfiltered 390nm flashlights. This is an educational post, directed towards folks new to the hobby....

A pet peeve of mine is honesty in advertising. Over the past 3+ months I’ve seen companies advertising ever higher power Convoy type...

It's the wild west out there! About three years ago I wrote a blog post about the Convoy S2+ here on Nature's Rainbows. The FLM...

I have happily been using and recommending the Convoy S2+ 365 nm UV flashlight since early 2017 when Mark Cole first posted about it. It...

Over the years I've had requests for lighting controllers that would allow us to remotely control our different wavelength lights, as...

By now the fluorescent mineral community has heard of the new Convoy S2 365nm flashlight that has taken our hobby by storm. It is the...

Fluorescent minerals are found almost anywhere there is a good selection of white light minerals. Mine dumps/tailing piles are obviously gr

This post was made over four years ago. Since that time it has become outdated. There is a new light - the Convoy FyrFly which is...

Rock collecting is a cheap hobby. Fluorescent rock collecting is an expensive hobby. View the Entire Review Here: Mineral Lights We've...

This question always comes up when we're traveling to some far off, glorious glow rock haven. Luckily, the FAA has published rules that...

Several weeks ago there was a lot of discussion within our Facebook Group about the availability, and where to find, Kokomo 400 LW filter...

A friend of mine bought a 385nm to 395nm 100 LED flashlight (presently being sold on Amazon: https://www.amazon.com/uvBeast-Intensity-Fla...