Just bought a house in San Antonio, Texas that has a pool. My home was built in the 70's and the Company who built our pool very well could have built it when the house was as they have been in business since 1954. Although it sounds somewhat sacrilegious here in these forums, I have hired a company to do my chemical maintenance until I get my bearings on what is going on. This is my first pool. I've owned hot tubs before and that was pretty simple. I don't know how big the pool is (gallons) because we got no paperwork on it in the sale except for a clean bill of health from the inspector, which is the best thing i guess. Anyways, here is my backyard oasis. This is my pool at around 5pm. It gets a lot of shade throughout the day. 9ft deep end or so.