Uploaded September 2018 | Updated September 2026, 10 hours ago

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Watch as we take a look at living creatures under the microscope. Continue watching as we filter them out using the MSR Guardian water purifier. Finally, stick around as we take another look under the microscope to confirm it works.

0:00 intro and sample collection
1:27 pond water slide prep
1:56 pond water under microscope
4:41 MSR Guardian integrity test 1
7:37 MSR Guardian O-ring lubrication
8:27 MSR Guardian integrity test 2
10:26 MSR Guardian integrity test 3
11:57 filtering pond water with MSR Guardian
13:43 filtered water slide prep
15:15 pond water under microscope one more time
16:15 filtered pond water under microscope
18:16 outro

Products used in this video:

MSR Guardian Purifier
US [affiliate]: amzn.to/2wS6nwH

Nalgene Water Bottle, Clear w/ Green Cap, 32-Ounces
US [affiliate]: amzn.to/2x1ssbe