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					Originally Posted by kengeroo  purchased another ph probe today.. 
 apex  	8
 seneye	8.34
 etekcity	8.11
 
 
 WTF ?
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 Definitely a WTF!  Assuming they are all calibrated correctly, you may be chasing a phantom number.  J & L sells balance.  Jeff recommended it to me as it works differently from a PH buffer.