Do You Pre-Filter Your Water? Millbank Bags USA
Do You Pre-Filter Your Water? Millbank Bags USA https://www.millbankbagsusa.com/
History and Application
The Millbank bag was used by the British military worldwide since the 1940’s. It was issued to every soldier along with chlorine tablets to provide a simple and effective means of treating dirty water. Millbank bags used to be readily available from army surplus stores. But when the army stopped using Millbank bags some years ago, they became more and more difficult to come by.
Intended to filter out mud and debris but not protozoans, bacteria, or viruses
Extends the life of commercial filters
Key Features
Heavy duty canvas
Double stitched
Heavy duty stainless steel gromet
36” Paracord
1 year warranty
Made in the USA
Physical Specs
Large
Length 14.25” / 36.2cm
Width 9.5” / 24.1cm
Weight 3.2oz / 90.7g
Capacity 169oz / 5l
Small
Length 10.5” / 26.7cm
Width 6.5” / 16.5
Weight 1.4oz / 39.7g
Capacity 48oz / 1.4l
Operation
Submerge in water and ensure it is soaked through (10 minutes
Fill with water to the very top
Suspend from branch, tripod, etc
Allow water to drain until it reaches black line
Collect filtered (but not purified) water
Maintenance
Turn bag inside out and scrub and rinse any particulate
Use warm but not boiling water. It will shrink
Hang to dry (do not store wet)
Short term storage for carry in a zip-lock bag
Can be chemically sanitized with water purification tablets or weak chlorine solution
Pro
Will extend life of filters
Simple to operate
Can be used to carry other items
Con
Will take time to dry
Has some weight
Slow to filter
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