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Hanna Phosphrus Checker
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10/15/2019, 08:45 AM
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clevername
Registered Member
Join Date: Feb 2007
Location: Manchester, MO
Posts: 1,125
id doubt its the reader thats not working. They sell the replacement glass test tubes. Id be going that route.
I personally cant imagine switching to another type of testing process. Hanna is so easy, so stable, so accurate.
clevername
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