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- Mar 9, 2019
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I have a 2 Apex ORP probe in my system but I do not trust with the readings I am getting, there is a big differences between them... and I would like to have a reliable measuring device.
I came across this device HI 98120 Tester, Could you please confirm if the Tester HI 98120 Temp/ORP is suitable for saltwater aquariums?
I came across this device HI 98120 Tester, Could you please confirm if the Tester HI 98120 Temp/ORP is suitable for saltwater aquariums?