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

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

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

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.

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

Blood shows up under blue light better.

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

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.

Cyalume Snaplight Industrial Grade Chemical Light Sticks Blue 6 Long

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$U4826

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

Review: Los verdaderos! - Estos son los verdaderos sticks de luz química, Son la marca de verdad, ellos los inventaron y tienen más experiencia y calidad que cualquier otra chafa que te encuentres por ahí. el precio lo vale, te pueden sacar de un apuro, y van a durar e iluminar muy bien. Review: works great

Specifications

ASIN	B004NBZLJC
Best Sellers Rank	#174,033 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,918 in Lab Supplies
Brand	Cyalume
Brand Name	Cyalume
Customer Reviews	4.6 out of 5 stars 386 Reviews
Item Dimensions	22.2 x 8.3 x 7.6 Centimeters
Item dimensions L x W x H	22.2 x 8.3 x 7.6 Centimeters
Manufacturer Part Number	9-08003
Model Number	9-08003
Number Of Pieces	10
Number of Pieces	10
Set Name	Cyalume Blue Light Sticks Pack of 10
UPC	852845001113
Unit Count	10.0 Count

Reviews

M**Z

Los verdaderos!

Estos son los verdaderos sticks de luz química, Son la marca de verdad, ellos los inventaron y tienen más experiencia y calidad que cualquier otra chafa que te encuentres por ahí. el precio lo vale, te pueden sacar de un apuro, y van a durar e iluminar muy bien.

14.07.2018

C**2

works great

2.10.2024

I**O

Awesome

21.05.2025

P**J

Genuine product, works as intended

26.12.2025

H**O

Muy recomendable

Es un excelente producto, cumple con lo que indica, yo lo use en el bosque se lo coloque a los niños sobre su ropa e alguna parte visible, es muy fácil de ver en la oscuridad fue unicamente por seguridad, pero los niños super divertidos. Definitivamente buen producto y muy recomendable.

19.08.2019

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