Anyone use the
KETOTEK Digital PH Meter for Water, PH Pen Meter with ATC, PH Tester with 0.00-16.00ph Measure Range for Drinking Water, Hydroponic, Aquarium, Swimming Pool, Accuracy ±0.01pH
To test your tank’s pH?
Budget pH digital tester
- Thread starter mocha 75
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Anyone use the
KETOTEK Digital PH Meter for Water, PH Pen Meter with ATC, PH Tester with 0.00-16.00ph Measure Range for Drinking Water, Hydroponic, Aquarium, Swimming Pool, Accuracy ±0.01pH
To test your tank’s pH?
Jay Hemdal
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Welcome to Reef2Reef!
There are a lot of inexpensive pH pens available on Amazon. I've not used that one, but it only has two point calibration - I prefer ones that can calibrate with 3 points.
I bought the VIVOSUN Digital pH and TDS Meter Kit on Amazon for $15 and it comes with a TDS meter! It has 3 point calibration, but I have NOT compared it to a lab pH meter, so I cannot vouch for its overall accuracy.
Generally, the ones with replaceable probes are a bit more accurate and last longer because you can replace the probe. Apera makes some, but they run about $130.
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