Cob: cleaning earth plaster

[lucynda norton]

    Has anyone had trouble cleaning earth plasters.  I have two kids and a 
very large dogs and recently painted my stick house in semi gloss so that 
the walls would be scrubbable.  I have read that you can mix a tablespoon 
full of linsead oil per bucket of plaster or natural paint, and I have read 
that any more than that causes a moisture barrier that will cause problems,  
But is one tablespoon full per bucket really enough to make it scrubable?

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