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					Originally Posted by randallino  nlreefguy, FWIW I noticed this past week with a house full of guests (in laws   ) and cooking that my ph dropped  to 7.7 - 7.9 but dkh numbers where in 8-9's. But I soon as the house was aired out the ph came back up in the 8's. | 
	
 So while having company and cooking dinner you were testing your tank?  That's dedication!  HA HA!