I have owned a pool in the past. I relied on a company to come out every 2 weeks and service the pool and check the water balance. I would check the chlorine a couple times a week in between visits. I think I paid 60 bucks a month for the service. I thought..because I could check PH and cholorine in the standard kit that I was on top of things. To this day I have no idea what any of the numbers were in the pool other than chlorine and PH. Only after beginning my research to build my pool at my new house did I come across this site. And after months of lurking and then signing up and reading and asking some questions, have I realized 1. How much there is to know about proper pool care and 2. How easy it can be to do it yourself. Now I check chlorine and Ph everyday. I don't "guess" at what to add, and I know the current cya, TA, FC etc etc. I think..I am becoming a testing junky. I have a ritual I go through on my daily tests, and my weekly tests and I find myself looking forward to getting the test kit out on the table, having my diet soda ready, paper and pen and going through the tests. I said all that to say this.. I really appreciate this site, and the people on the site who are always so helpful.