How often should you calibrate the pH probe? I think I need to re calibrate mine but I am having trouble finding 8.3 calibration fluid. Can you calibrate using a different fluid like 7.0?
How often should you calibrate the pH probe? I think I need to re calibrate mine but I am having trouble finding 8.3 calibration fluid. Can you calibrate using a different fluid like 7.0?
There is no 8.3 fluid as far as I am aware. For normal saltwater tank use, you calibrate with pH7.0 and pH10.0 fluids.
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