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.

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

Product ID: 257166043

Details

Brand
Cyalume
Item dimensions L x W x H
22.2 x 8.3 x
Item weight
0.22 Kilograms
Material
Chemical

⏳8-hour long-lasting light

💧Waterproof & non-flammable

🔵Ultra bright blue glow

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Description

🔦 Light up your night with military-grade brilliance!

SAFE WATERPROOF - Non-toxic, safe underwater and in confined spaces
INSTANT ACTIVATION - Snap, shake, and glow—no batteries, no hassle
EXTENDED 8 HOUR GLOW - Keeps your environment lit through the longest adventures
BULK PACK CONVENIENCE - 10 glow sticks ready to light up any emergency or event
MILITARY GRADE RELIABILITY - Trusted by US military for 360° tactical illumination

Cyalume SnapLight Blue Glow Sticks are industrial-grade, ultra-bright chemical light sticks designed to provide 8 hours of continuous blue illumination. Meeting strict military specifications, these waterproof and non-flammable glow sticks are safe for underwater use and ideal for emergency, tactical, and outdoor applications. Sold in a convenient pack of 10, they activate instantly with a simple snap and shake, delivering reliable, hands-free lighting whenever you need it.

Specifications

ASIN	B004NBZLJC
Best Sellers Rank	#72,929 in Sporting Goods ( See Top 100 in Sporting Goods ) #36 in Emergency Glow Sticks
Brand Name	Cyalume
Customer Reviews	4.6 4.6 out of 5 stars (863)
Included Components	Glow Sticks, Emergency Light Sources, Tactical Glow Sticks, Chem Light Military Grade, Blue Chem Light Bulk Set
Item Dimensions	22.2 x 8.3 x 7.6 centimeters
Item Weight	0.22 Kilograms
Manufacturer	Cyalume
Manufacturer Part Number	9-08003
Material Type	Chemical compound
Model Number	9-08003
Number of Items	10
Number of Pieces	10
Set Name	SnapLight Blue Glow Sticks
UPC	852845001113
Unit Count	10 Count

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37009CFA

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In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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TrustScore 4.5 | 7,300+ reviews

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