The Planted Tank Forum - View Single Post - pH meter
Thread: pH meter
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post #2 of (permalink) Old 11-27-2012, 10:33 PM Thread Starter
Planted Tank Enthusiast
Join Date: Apr 2010
Location: Hoboken, NJ
Posts: 741
or is that i want a monitor? want to use it with my solenoid to run my co2
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