Does it really take four hours? That seems like a long time to wait on drinking water while hiking.

It takes 4 hours for it to kill everything, but........... Things like bacteria and viruses are more fragile than other organisms that have an outer "shell". The 4 hour recommendation is so that these tougher organisms are killed as well as the bacteria and viruses. We always filter our water first (MSR Miniworks) which removes 99.99% of bacteria and just leaves any potential virus behind which is why we also use these tablets (many would argue that this is overkill, BTW). Viruses are killed in 20-30 minutes. So---our method is to filter the water first, then drop a tablet in and wait about 20 minutes. (additional recommendation: don't leave your water bottle sitting in direct sunlight while the tablet is working)

Expiration date as of 02/20/2020?

Follow expiration date. Toss it, at or after expiration date. I would NOT use it. In this case, where I am, it is 02/20/2020...so toss it.

Are these tablets individually wrapped or all in one jar?

These tablets are individually wrapped.

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Katadyn Micropur MP1 Water Purification Tablets, 30 Count | Chlorine Dioxide Drinking Water Treatment, For Camping, Backpacking, International Travel & Emergency Preparedness

Katadyn Micropur MP1 Water Purification Tablets, 30 Count | Chlorine Dioxide Drinking Water Treatment, For Camping, Backpacking, International Travel & Emergency Preparedness

Product ID: 1792690

Details

Brand
Katadyn
Capacity
1 liters
Installation Type
Freestanding
Item Weight
25.54 g
Material
Chlorine
Package Information
Bottle

⏳15-240 min activation time

💧1 tablet purifies 1L water

🛡️Kills viruses, bacteria & protozoa

Description

💧 Stay hydrated, stay ahead—purify like a pro wherever life takes you!

COMPACT LIGHTWEIGHT - At under 1 ounce and pocket-sized, it’s the ultimate minimalist’s water purifier for backpackers and travelers.
BROAD SPECTRUM PROTECTION - Effectively eliminates viruses, bacteria, giardia, and cryptosporidium for peace of mind in any environment.
EFFORTLESS HYDRATION ANYWHERE - Just drop one tablet per liter—no pumps or filters needed for pure water on the go.
LONG SHELF LIFE READY WHEN YOU ARE - Individually sealed tablets last 5 years—perfect for emergency kits and spontaneous adventures.
PROVEN MUNICIPAL GRADE PURIFICATION - Uses chlorine dioxide, the same trusted chemical in city water plants, ensuring safe, great-tasting water.

Katadyn Micropur MP1 tablets deliver reliable, chlorine dioxide-based water purification trusted by municipal plants worldwide. Each tablet treats 1 liter of water in 15 minutes (clear) to 4 hours (cloudy), eliminating harmful pathogens without iodine taste or residue. Individually sealed with a 5-year shelf life, these ultra-portable tablets are essential for campers, travelers, and emergency preparedness, combining proven science with effortless convenience.

Specifications

ASIN	B0007U017U
Best Sellers Rank	#36,956 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #14 in Camping & Hiking Water Purifiers
Brand Name	Katadyn
Capacity	1 liters
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (502)
Global Trade Identification Number	00604375136922
Installation Type	Freestanding
Item Dimensions L x W x H	1"L x 1"W x 1"H
Item Weight	25.54 g
Manufacturer	Katadyn
Material Type	Chlorine Dioxide
Model Name	Micropur 30 Pack
Model Number	8013692
Other Special Features of the Product	Chlorine Dioxide, No Pump or Filter Required, 5-Year Shelf Life, Individually Sealed Tablets, Trusted Field Treatment
Part Number	8013692
Power Source	Manual Winding
Product Shelf Life	5 years
Purification Method	Chlorine Dioxide
Supported Water TDS Level Maximum (PPM)	1000
UPC	604375136922
Unit Count	1 count
Upper Temperature Rating	39 °F

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