Question 1

Would I be able to go free diving with this in a state park spring?

Accepted Answer

Great day Zachary, Great question,Yes you can, Factory short description;Cyalume's industrial grade 6 in. SnapLights provide 360 of illumination. They are foil wrapped for light/moisture protection, maintenance free, non-toxic, non-flammable, and waterproof.A customer in San Diego, CA stated; A must have to keep around for emergencies, also good for the kids at parties, in campers, on boats,etc.We zip tie them to our scuba dive gear when we do night dives a great safety light!Thanks for asking, RiccaPlanet

Question 2

I saw a military grade version that only last for 30min.  How come these lasts for hours?

Accepted Answer

There are different grades of light sticks for different uses. The 30 min you saw where rated as High Intensity, those last for approximately 30-45 minutes at the maximum output. There is also an Ultra-High Intensity version which lasts for only a few minutes. Those are rated for 5 minutes of maximum output. They either put in a catalyst to speed up the reaction in the high intensity sticks or an inhibitor in the longer time sticks. The longer the time on the stick, the less light output. I hope that helps.

Question 3

I understand the use for all the colors but blue. What are these for?

Accepted Answer

Blood shows up under blue light better.

Question 4

Do these have an expiration date?   I'm thinking of putting them in my disaster kit.

Accepted Answer

Yes they do.  The packs I bought early 2015 have the expiration date of 11/19 so they last over four years at least.  They work great.  Hope this helps.

ASIN	B004NBZLJW
ASIN	B004NBZLJW
Brand Name	Cyalume
Customer Reviews	4.4 4.4 out of 5 stars (878)
Customer reviews	4.4 4.4 out of 5 stars (878)
Date First Available	7 August 2012
Included Components	10 Piece White Chemical Lightstick
Is Discontinued By Manufacturer	No
Item Dimensions	22.2 x 8.3 x 7.6 centimeters
Item model number	9-08006
Manufacturer	Cyalume Technologies, Inc.
Manufacturer	Cyalume Technologies, Inc.
Manufacturer Part Number	9-08006
Model Number	9-08006
Number of Items	10
Number of Pieces	10
Product Dimensions	22.23 x 8.26 x 7.62 cm; 231 g
Set Name	10-Piece Survival Kit
UPC	088308365236 852845001137
Unit Count	10 Count

Cyalume SnapLight White Glow Sticks - 6 Inch Industrial Grade, Ultra Bright Light Sticks with 8 Hour Duration (Pack of 10)

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