This picture was after only about 8 minutes.
And 12 hours later in the morning. (Ignore the sand bottle... we ended up putting some Alum in there too.)
The thoughts and activities of our family to share...
Wednesday, December 16, 2009
Back to Flocculation
So we set up 3 jars and mixed sand and water in the first and soil and water in the other 2. Then we mixed a small amount of Alum into the one dirt jar. The most amazing thing was how fast the water cleaned out.
And 12 hours later in the morning. (Ignore the sand bottle... we ended up putting some Alum in there too.)
And 12 hours later in the morning. (Ignore the sand bottle... we ended up putting some Alum in there too.)
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We are going to have to try this! I love the "homeschooling" things you do! : )
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