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Date Posted: 08:17:04 08/11/09 Tue
Author: Bob
Subject: Re: A sustainable marine head?
In reply to: Nicky 's message, "Re: A sustainable marine head?" on 07:01:17 08/11/09 Tue

We have now had our home brew composting head running for a few months of full time live-aboard and the bottom line is it works.

As for the nitty gritty...

1. Odor is not a problem.

2. We are using popcorn and peat moss as our composting mediums it would appear that a $6 bag of peat moss from Ace Hardware will apparently last us for a couple of years.

3.Our solids container (a five gallon bucket and the Airhead also is 5 gallons as I recall) seems good for two people for two months.

4. Our liquid container (2 1/2 gallon) on the other hand needs to be emptied every couple of days which is a bit of a pain but not really problematic. We have added a second container to make it easier to sync into our schedule. Both bottles have screw tops so if needed taking them to be emptied in a local marina toilet is a no muss no fuss affair. For passages and where legal it is simple to just pour the liquid overboard.

5. the total cost of our home built head was about $120 which breaks down to ...
A. bucket...$3..
B. small computer fan 12V $9.
C. Liquid containers were free as it is how our kitty litter is purchased. Finding the right container was somewhat problematic as finding a container that fit in the space was more difficut than expected.
D. We bought the Privy kit from Ecovita (http://ecovita.net/privy.html) for $112. as it seemed simpler than making my own urine/solids separating seat.

Our install is very similar to the "Baja box" plans available here... http://ecovita.net/news/wp-content/uploads/2009/07/PrivyKit-Baja-Box-Directions.pdf

Bob
http://boatbits.blogspot.com/
http://fishingundersail.blogspot.com/
http://islandgourmand.blogspot.com/

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