Quote:
Originally Posted by xort
There is a big lure for fresh water flush...smell! And the mixture of salt water and urine can clog up hoses pretty quick.
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Yes, but you can fix this with vinegar rinses, periodic disassembly of the hoses and "beating" the salts out of them and so on.
To my mind, the simplicity of sea water flushing of a manual head beats the complexity, expense and power requirements of genset, watermaker and "toilet tankage".
A middle course in areas of daily rain (as is the case in much of the tropics) would be to have awnings and gaskets divert water to a "non-potable freshwater tank" from which you could divert water through the sink and head circuit...even the shower. Rainwater is plenty clean enough for this, and usually only requires filtering to get dust from the awning out of it.
One of the reasons I am changing my water tankage from two 100 gallon tanks to four 50 gallon tanks is to keep one tank as "semi-potable" for this kind of thing. But I think of it more as rinse water than drinkable water.