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Fast becoming a dependable friend in the bush. This modest filter managed to handle extremely murky water which resembled coffee, and still managed to fill a Zebra 12cm Billy can with filtered water. The then boiled water made for an excellent bush corn on the cob. However I do recommend carrying the back flush syringe as the filter became naturally clogged quickly when stretched that far. If this happens in the field it is paramount that the filter be flushed with fresh water. Recommend using a rough filter whilst filling the squeeze bag or the MSR Dromedary water bladders. All in all a very dependable filter even when stretched to filtering heavy silted water. Never underestimate the amount of clean water needed to back flush the filter. It needed around 30 to 40 syringes to clear the clogging from that heavily silted water source. I now know I can depend on the Sawyer. It’s a very handy, lightweight and low volume device. Works especially well with the MSR Dromedary bags. The only slight reservation is the opening which is a flip top. As soon as you flip it open the water pours if it is pointing lower than the horizon. To rectify and not waste the odd splash of water it needs to be angled to point upwards. However, its merits far outweigh this minor detail. This will provide you with safe water for many a day. Although as always we must remember to boil all filtered water to be extra safe.
Craig19th August, 2020