Bleach Add a teaspoon of unscented household bleach (5 millilitres of a 3.5% sodium hypochlorite solution) to 25 litres of ...
Construction General on MSN
DIY 220V hydropower: This mini dam generates real power!
In this video, I showcase my fully homemade 220V mini hydropower dam, constructed from concrete, a custom water channel, and ...
Amazon S3 on MSN
DIY swamp water filter to save on bottled water
The science pros at TKOR build a DIY swamp water filter to help save on bottled water.
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