Thanks I got it started using it. Everything is going well. 2 in of rain last night. PH held at 7.8 alkalinity drop down to 80. Which is good. Cya has dropped down to 45. Clearing drop down to seven. Added half gallon chlorine to keep it up. I am so tfp clear it is amazing. Again thanks for all your help. How is your pool doing?. All good I hope