test strip shows 5.0 which apparently is 1760ppm, aquatrol SWG says 3600ppm.
I'm assuming test strip is off. I thought these were supposed to be accurate? Just bought them from pool store last week, now i notice they sold me test strips that say use by Jan 2014. I added salt because of the lower reading last week.
Unbelievable...... Why is it in this world you cannot trust any retailer? So is 3600 too high? Should i drain? I'm in the middle of a SLAM process that also seems to be taking too long to clear up water