Calibration Solution for Eco pH+ Tester Pen by Trans Instruments (Solution ONLY) NaturalPond 2-Pin Digital Controller/Timer
Description
2-Pin Digital Controller/Timer
Note that it is best to store these O-rings in position on the lid when filter is not in use to prevent damage and shrinkage
They are made entirely of maintenance-free
Oil-free motor is efficient and won't pollute the pond
Pressure gauge tells you what is going on inside tank
Calibration Solution for Eco pH+ Tester Pen by Trans Instruments (Solution ONLY) NaturalPond 2-Pin Digital Controller/TimerThis is the Calibration Solution for an Eco Series pH+ Tester Pen. Use this link to find the pH pen that matches this Calibration Solution.
Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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