Terms Of Use (Content)

The content of this blog, created by the author, is Copyright David Tarsi 2008; and is made available through the conditions in the Creative Commons Attribution-ShareAlike 3.0 license.

Attribution: To use this content my requirements are:

for images: the phrase containing the words: “Image by David Tarsi”                   clearly shown on each image

for devices: the words: “Original design by David Tarsi”

For written content: A link to the content on this blog, or the words “Original content by David Tarsi”.

Be sure you read this license very carefully. You have been advised.

Know that spamdexing or linkspam will be removed. IP addresses from offending areas will be blocked. Also any links to unlawful content will be removed immediately.

You may wonder: “Why does someone want to spend time writing a blog about water”? After all, water is just always there. Just go to your kitchen and turn on the tap and there it is, no worries; right? But, wait a minute – without water a person will die in less than 5 days. In very hot weather, a person might have 2 or 3 days before they are too weak to even look for  water. Water is second only to clean air (oxygen) for physical survival. Both clean water, and non-polluted air are basic human rights, period. So, the purpose here is to offer a starting point for anyone looking for alternative ways to access clean water. This blog is not the end all, be all source for water purification technology. It is merely a starting place. There are no guarantees offered here, only experience and results found. There have been and may be, errors in design, and devices described that do not work in all situations. Each person building and using any filter described on this blog is totally responsible for its performance, regardless of what is found here on this blog.

Know that, for most people in “developed” areas, water is not really a huge issue. That’s true for a small fraction of the people on this earth.  However; for the majority of people water is a HUGE issue. there are over 750 million people in the world who do not have access to clean water.

Millions of people get sick each year because they do not have access to clean water. I could go on here, there is information available all over the net.

We encourage comments that reflect actual experience with sustainable water filtration technology, rain water harvesting, roofwater harvesting, rain barrel systems, ideas or suggestions not found here, or the study of water quality. Also, if you have a website that documents your research or experience with those topics, please do include a link to it. We don’t have a problem with promoting non-profit websites or blogs that encourage collaboration and the sharing of information. Please keep your comments on topic.

This blog is authored by the same person who writes for:







4 Responses to Terms Of Use (Content)

  1. Steve Bavis says:

    I want to build a slow sand filter to filter out the iron in my well water.
    Do you have any experience with this or do you think it will work ?

    Thank you,
    Steve B

  2. Orpheus says:

    Possibly. I have not tried specifically to filter out iron, so I cannot say for sure. Hopefully, someone who has experience with this will reply.

  3. Tracey Reuck says:

    you may want to update State of Nevada. It is not legal to capture rain water for re-use there. See link below.

  4. CaddisJ says:

    Hello Dave,
    Cant figure out how else to contact you. Here’s a couple of questions.
    I am in the process of building a slow sand filter to filter rainwater for my flock of chickens.
    Two questions:
    1) does the slow sand filter have to have continual flow? Or can the water sit in the filter for periods of time?
    2) can I connect the downspout directly to the filter or do you recommend a pre-filter storage area?
    Based on what I see from your site, I probably live about 10 miles away from you, so you can get a good idea as to how much rainwater will be coming off the roof of the coop. It’s a small coop, but it’s also western WA.
    Thanks in advance!

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