Monthly Archives: April 2014

Can I save money on my water bill by using a rain barrel?

If the cost of the water; and the cost of the infrastructure that brings the water to “you” and takes it away when you’re done with it are considered; then, on paper, a rain barrel will pay for itself in several … Continue reading

Posted in rain water harvesing, slow sand water filter study and construction | Tagged , | 2 Comments

Designing a DIY slow sand filter: what to consider

Update April 16, 2017: The 5 gallon filters, and the smaller 6 inch filter mentioned in this post DO NOT WORK. They either add biological contamination, or do not remove any biological contamination. Do not use them.   I am writing … Continue reading

Posted in slow sand water filter study and construction | 18 Comments

A counter top slow sand water filter

This filter (we call it a “micro” filter) uses a 2 liter soft drink bottle, a rubber band a plastic straw, some plumbers putty, and coarse sand and fine sand. The fine sand on the top is .15 mm effective … Continue reading

Posted in slow sand water filter study and construction | 1 Comment

It is now April 11, 2014. Filter 10a, 10b, and 10c have been running steadily for about 6 weeks.  Filter 10a uses .25 mm effective size sand, filter 10b uses .15 mm effective size sand,  and filter 10c uses .20 … Continue reading

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