Author Archives: filter_guy

When constructing a slow sand water filter, make sure the sand used is not contaminated. Make sure the sand source provides the correct type of sand. Running some chlorinated water through the filter before starting it running with unfiltered water … Continue reading →

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 →

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 →

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 →

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 →

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 →