Author Archives: filter_guy

Rain water harvesting update

Posted on February 9, 2015 by filter_guy

Filters 1, 2, 3, 4, and 5 are still operating and producing clean water. The three pond filters are also still operating. Filter 1 was started in 2007. We are working on a pdf that has the most usefull information … Continue reading →

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Earth (config_earth.txt)

Posted on January 24, 2015 by filter_guy

Science, measuring, telescopes, seeing, hearing, knowing, feeling, Internet, automobiles, cell phones, computers, medicine, electricity, solar power, wind power, hydro power, coal, oil, clothing, entertainment, news, weather reports, drought, bees, how do we get our food? how do we get our … Continue reading →

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A biological pond filter

Posted on December 23, 2014 by filter_guy

For the past 4 years, we have been working with a biological sand water filter applied to filtering water that is used in a pond. The  preceding link takes you to one of our other websites where the assembly of the filter … Continue reading →

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Rain water harvesting

Posted on December 20, 2014 by filter_guy

We are now approaching our 8th year of slow sand filter operation here. The first filter we started back in 2007, filter 1, is still running, and producing clean clear water. It filters rain water run off from a composition roof. … Continue reading →

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Slow sand filters frozen in November 2014

Posted on November 21, 2014 by filter_guy

It is now November 21, 2014, and all of the filters that were frozen have thawed out and are running again. All of the filters here, with the exception of filter 2 and filter 3, were frozen for 10 days. … Continue reading →

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Emergency water supply

Posted on October 9, 2014 by filter_guy

Water can be taken for granted if it is conveniently available. That is a huge mistake. Without water, a person cannot survive much longer than 4 or 5 days at the very best. Lots of things can happen that will … Continue reading →

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Slow sand filtration information

Posted on October 3, 2014 by filter_guy

For the past eight years we have been building, testing, and operating small slow sand filters. What we have discovered here coincides very closely to some of what is covered in this document published by the State of Washington in … Continue reading →

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slow sand filter field tests

Posted on October 2, 2014 by filter_guy

It is now October 2, 2014. Filter 1, and filter 4 have output water with no (0) coliform and no (0) e coli bacteria present. The cistern water that flows through filter 2, and filter 3, has 4 cfu’s of … Continue reading →

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Five gallon slow sand filter

Posted on September 29, 2014 by filter_guy

On September 27 2014,  after 6 months of continuous operation since this winter’s extended below freezing weather, a field test was done on the 5 gallon filters 10a and 10b. The tests indicate that filter 10a did not work satisfactorily. In … Continue reading →

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Rain water harvesting and slow sand filter update

Posted on September 21, 2014 by filter_guy

All the filters are still functional with the exception of one. The filter connected to the largest pond has been inactivated by damage due to the wildlife present here.  We are reasonably sure the damage was caused by raccoons. The … Continue reading →

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