Monthly Archives: June 2013

Does Moss “eat away at your roof”? (Update)

Posted on June 25, 2013 by filter_guy

On October 20, 2011;  I wrote a bit on this blog about moss eating away at roof surfaces. Since then I’ve done more research. Moss does not “eat away” at your roof. Moss is a bryophyte. It does not have … Continue reading →

Posted in slow sand water filter study and construction | 3 Comments

It is Not illegal to catch rainwater in “most states”

Posted on June 24, 2013 by filter_guy

First of all, look to the table of contents page on this blog to get detailed info (from links to sources) on rain water harvesting laws, or lack of them,  in the U.S. .  These laws are changing rapidly and … Continue reading →

Posted in slow sand water filter study and construction | 2 Comments

Rain water harvesting regulations state by state: updates

Posted on June 21, 2013 by filter_guy

Update July 15, 2013: New Jersey regulations do not appear to make rain barrels, or rain water harvesting for the individual home owner against the law. There are programs in the state that encourage rooftop rainwater harvesting: The official website … Continue reading →

Posted in slow sand water filter study and construction | 3 Comments

Slow sand water filter failure: update on filter 5

Posted on June 18, 2013 by filter_guy

After the failure of filter 5 in late May of this year, we changed the top 6 inches of sand from .15 mm effective size, to .25 mm effective size sand. We are now using a re-circulation system on this filter. So … Continue reading →

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Rain water harvesting and filtering

Posted on June 13, 2013 by filter_guy

More about the maintenance of a slow sand water filter used to purify roof water: In this situation where rain water is captured and stored in a holding container to be later run through the slow sand filter and then stored … Continue reading →

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Rainwater harvesting regulation

Posted on June 12, 2013 by filter_guy

Is government “rainwater harvesting regulation” really ethical? Some people probably will say yes, while others will probably emphatically say no!!!!! How about the privatization of water supply systems putting them in control of “corporate” entities? To this most rational people will … Continue reading →

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filter 4 modifications

Posted on June 6, 2013 by filter_guy

Following the failure of filter 4, in early June, 2013 the following modifications were made on June 5, 2013 when the filter was restarted: The top 3 inches of sand was removed and changed from .25mm effective size to .35 … Continue reading →

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small slow sand filter operation and maintenance

Posted on June 4, 2013 by filter_guy

This is a summary in outline form of the last four posts: Critical considerations when setting up a small slow sand water filter: A. Sand size .35 mm effective size is the best overall choice B. Input water turbidity Turbidity … Continue reading →

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First flow diverter: answer to YouTube comment

Posted on June 2, 2013 by filter_guy

I’ve had another comment on the YouTube video we posted regarding the first flow diverter with a float seal device. The comment is as follows: “I was wondering the same thing, there’s usually two bung holes, why not use them. … Continue reading →

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