Question 1

Does this filter work with tannin in the water? Also, how about brackish water?

Accepted Answer

Sawyer's claim for the filter is that it removes 99.99999% of all harmful bacteria and 99.9999% of protozoa.  Viruses are not included nor are other impurities mentioned.  I have written to Sawyer to ask about tannin and brackish water and will reply again once I receive a return message.  I'm not sure when that will be, but hope it will be soon.Keri-LynnFour Seasons Survival

Question 2

What is the shelf life for this?  Used and properly cleaned or unopened.

Accepted Answer

This filter is advertised as up to 100,000 gallons by Sawyer.  When you begin to notice a decrease in flow, I recommend back flushing with potable water using the included syringe.  I normally keep an ounce or two of 90% isopropyl alcohol to sanitize the drinking tip and any tubes I may use when setting up different systems.

After use and before long term storage (especially if you filtered a lot of biologically questionable water), it is recommended to run a sanitizing solution of bleach/water (1tbsp plain, unscented bleach to 1 gallon water) through the filter then rinse very well with potable water, shake out vigorously and allow to air dry for several days before capping and placing into storage.

An unopened filter should have indefinite shelf life unless it is subjected to extreme temperatures, hot or cold.

Question 3

What's the total weight of the full system? (Including the filter, tube, syringe, and pouch) It seems the listed 2 oz refers to the filter alone.

Accepted Answer

You are right about the 2 ounces being the filter only-that is what Sawyer advertises.  The entire unit, inside the packaging is 4.8 ounces. I cannot take it out to weigh the items outside the packaging as I would need to destroy the container to get them out.  I am guessing the plastic covering weighs less than an ounce so the entire unit probably weighs about 4 ounces.

Question 4

Has the Sawyer Mini gone through End of Life testing in laboratories to ensure that it will ACTUALLY filter 100,000 gallons of water?

Accepted Answer

Only thing I can find is on the sawyer website is the lifetime warranty so if you read it the will fix/replace the filter for life as long as you dont modify the filter in anyway or open the housing or run juice or drink mixes thru it they will replace it  the 100,000 gallon guarantee is to tell you you will have it for life you will lose it beforeit breaks I hope I was of help you can find all the tech data sheets on there website

ASIN	B00FA2RLX2
Best Sellers Rank	#572 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #4 in Camping & Hiking Water Filters
Brand Name	Sawyer
Capacity	100000 gallons
Container Type	Pouch
Customer Reviews	4.7 4.7 out of 5 stars (41,273)
Global Trade Identification Number	00050716001280
Included Components	One MINI filter, one 16-ounce pouch, one drinking straw, one cleaning plunger
Installation Type	Countertop
Item Dimensions L x W x H	4"L x 3"W x 8"H
Item Type Name	Water Filter
Item Weight	41 g
Manufacturer	Sawyer Products
Material Type	Blend
Maximum Flow Rate	100000 gpm
Model Name	MINI Water Filter
Model Number	SP128
Other Special Features of the Product	Protects against 99.999999% of bacteria (including Salmonella, Cholera, and E. coli), 99.9999% of protozoa (such as Giardia and Cryptosporidium), 100% of microplastics
Part Number	SP128
Power Source	Manual Operation
Purification Method	Hollow Fiber Membrane
Supported Water TDS Level Maximum (PPM)	1000
UPC	050716001280
Unit Count	1 Count
Upper Temperature Rating	100 °F
Warranty Description	Rated up to 100,000 gallons by manufacturer

Sawyer Products SP128 Mini Water Filtration System, Single, Blue

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