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 PIF? Potassium Iodide Fluoride? Wow, you're really into the system! I never really went beyond Big 4, a couple amino acids and Sponge Power.
 I just like saying "Sponge Power". You have to say it like a superhero though.  "Now is it time for ... SPONGE POWER!!!!!!!!!!!!!"
 
				__________________-- Tony
 My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills.  Whee!
 
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