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#1
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Anyone using a Microprocessor PH tester?
came across this tonight, and am wondering if anyone has used something like this before? are they accurate?... do they need calibration fluid? thanks for any input, peace
link: click here
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55 gallon reef 10 gallon hex seahorse & reef 85 gallon hex fowlr |
#2
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ttt
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55 gallon reef 10 gallon hex seahorse & reef 85 gallon hex fowlr |
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