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- Feb 13, 2012
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I have my tank full now, salt in (1.025- Reef Crystals Salt), temp-78. Connected the ph probe and went to the SL1 screen, then ph probe screen. There wasn't the option to calibrate the probe. Does this mean I have the wrong probe? The probe is already calibrated? It came with ph 4.00 and ph 7.00 calibration fluids.