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I currently test salinity on a cracked hydrometer, temperature is monitored on a small digital probe, and phosphate is measured using a Seachem kit. Would be an awesome prize package...
I check salinity with a Milwaukee I bought from MD, and I have both Hanna phosphate checkers that I use weekly and would love to swap out to a fresh one.....has anyone checked to see the life span of these units? or accuracy over time.
Bonus:
I currently test salinity with a refractometer. Temp. with two different brands of thermometers. And phosphate with the RedSea kit. Hopefully to upgrade to the Hanna one.