You are welcome!!!
Have you ever tried going a little higher with your FC goal? With a CYA of 80, I would consider that.
http://www.poolsolutions.com/gd/best...e-chart.html#a
You're bordering on the low end of the range with 6. Trying to stay at 8-9 might be better. But if your pool does well with a lower goal, that's fine!