--------- Alison and Gary Addicks <[email protected]> wrote: 
Oxy clean or Biz will remove organic stains of any age. 


A word of warning about Biz and other enzyme pre-soaks:
An enzyme is a molecule that causes others to react but doesn't itself get 
consumed in the reaction.  This means that it continues to act, and act, and 
act.....

There was a lecture presented years ago to natural history museum workers, on 
the long-term effects of Biz.  They had been used to clean flesh off fish 
bones.  Several years after soaking *and*rinsing*, the bones were half-gone.  
The few enzyme molecules still left on them had eaten them away.  The photos 
were quite impressive.

As I said, the bones had been rinsed, to the extent that the researcher had 
thought they were free of enzymes.  Obviously, that wasn't the case!

Robin P.
Los Angeles, California, USA
[email protected]

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