That is  Hanna  PWT, not TDT..
sorry,,

----- Original Message ----- 
From: "aka jhon" <[email protected]>
To: <[email protected]>
Sent: Wednesday, September 12, 2001 5:47 AM
Subject: CS>dazed and confused,,


> After searching the silver list,,I still don't know
> the answer..I have both the Hann TDT and thePPM
> testers for my distilled water and silver and gold products.
> They give me different readings,,How and which one should I use ??
> tanks..
> 
> 
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