I am looking to put these in my car in a Northern region where the temperature reaches -50 degrees F will these still work?

"The colder the water, the less effective the chemical is as a purifying agent. Research has shown that at 50 degrees F (10 degrees C), only 90 percent of Giardia cysts were inactivated after 30 minutes of exposure. If the water temperature is below 40 degrees F (4 degrees C), double the treatment time before drinking. It is best if water is at least 60 degrees F (16 degrees C) before treating. You can place the water in the sun to warm it before treating." - Rick Curtis, The Backpacker's Field Manual.Basically, wait longer: double time every 10 degrees F under 60 to be safest.

What is the expiration date? When was it made/packaged?

Unopened bottles of Potable Aqua tablets, when maintained under controlled temperatures between 60 and 86 °F (15 to 30 °C), should remain effective up to four years. Exposure to heat, humidity, moisture, and air will reduce the effectiveness of the tablets. We recommend that an opened bottle not be kept for more than one year. Keep the cap tightly sealed.Although this product is not required to have an expiration date (taken from their website. glad you asked looks like i need to buy new ones.)

will the water purification tablets kill protozoa including giardia and cryptosporidium?

The front of the package states"Proven effective against Giardia lamblia when used as directed". The back states "Potable Aqua Germicidal Tablets have not been shown to inactivate Cryptosporidium cysts." Keri-Lynn, Four Seasons Survival

I have to use a sinus pulsation machine which requires either boiled or distilled water. Would these tabs work in tap water for this?

NO. Tap water has minerlas, salts, bacteria, etc. These pills only kill bacteria but filter nothing. All the minerals will stay in the water and will break your machine. Use distilled water.

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Potable Aqua Water Purification Tablets With PA Plus - Two 50 count Bottles

Product ID: 1488131

Details

Brand
potable aqua
Capacity
25 Quarts
Included Components
Item
Installation Type
Portable
Material
Glass
Package Information
Bottle

⏳4-year shelf life for long-term readiness

💧50 tablets per bottle for 25 quarts treated

🛡️Effective against bacteria & Giardia lamblia

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Description

💧 Stay hydrated, stay ahead—purify like a pro, anywhere, anytime!

LONG SHELF LIFE - 4 years of guaranteed potency means you’re always prepared, whether for adventure or unexpected emergencies.
TRUSTED BY EXPERTS - Used by military and emergency teams worldwide—your go-to for reliable water safety in any crisis.
NO IODINE AFTERTASTE - PA Plus tablets eliminate unpleasant taste and color, so your water tastes as clean as it is safe.
DUAL ACTION PURIFICATION - Two-step system kills pathogens and neutralizes taste for pure, drinkable water every time.
ULTRA PORTABLE LIGHTWEIGHT - Compact bottles weighing just 0.14 lbs each—perfect for hiking, camping, or emergency kits on the go.

Potable Aqua Water Purification Tablets with PA Plus offer a trusted two-step iodination process that effectively eliminates bacteria and Giardia lamblia from up to 25 quarts of water per bottle. Designed for portability and emergency readiness, these tablets leave no iodine taste or color, ensuring clean, safe drinking water during outdoor adventures or crisis situations. With a 4-year shelf life and military-grade reliability, they’re the essential hydration solution for professionals who demand safety and convenience on the move.

Specifications

ASIN	B0009I3T3S
Best Sellers Rank	#1,096 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Camping Chemical Water Treaters
Brand Name	potable aqua
Capacity	25 Quarts
Container Type	Bottle
Customer Reviews	4.7 4.7 out of 5 stars (26,631)
Global Trade Identification Number	00368093003040
Included Components	Item
Installation Type	Portable Container
Item Dimensions L x W x H	5.75"L x 3.63"W x 1"H
Item Type Name	Chemical Water Treatment Tablets
Item Weight	0.14 Pounds
Manufacturer	Wisconsin Pharmacal
Material Type	Glass
Model Name	Potable Aqua Water Purification Tablets with PA Plus Neutralizing Tablets
Model Number	304
Other Special Features of the Product	1 Bottle PA + Neutralizer Tablets, 1 Bottle Potable Aqua Germicidal Water Purification Tablets
Part Number	304
Power Source	Manual
Product Shelf Life	4 Years
Purification Method	Iodination
Smart Home Compatibility	Not Smart Home Compatible
Supported Water TDS Level Maximum (PPM)	1000
UPC	368093003040
Unit Count	50.0 Count
Warranty Description	Contact Manufacturer

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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RM82

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In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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