Recent content by Doug Hensley

I'm a new owner & 1st time poster to the Forum. I have a 1750 gallon in-ground Fiberglass Spa. It has a Salt Chlorine generator. I have a pH sensor and an ORP sensor. I have an automatic Acid Pump (diluted Muriatic acid 50:50) I have a controller where I can Adjust pH up or down and I can...