Just took off the winter cover to nice clear water :o Added water, have been running the filter for about 3 hours and here are my numbers:
FC: 6
CC: 0
pH: 7.2
T/A: 190
CH: 170
CYA: 30
Temp: 55F
Is it possible to have that much FC since closing in October? I don't know what the FC was at...