Thread: Ulr hanna checker
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Unread 11/24/2019, 11:53 PM   #1
pisces 12
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Join Date: Apr 2003
Location: mineola , L ,I N.Y
Posts: 94
Ulr hanna checker
Has any one else have crazy readings on this ,my reg checker reads 0.00 my ULR is reading 0.07 after using 3/4 of a bottle phosphate RX and 4 cups of rowa phos on a total water volume 320gals something don't add up


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