Hi, and congratulations on the new pool!!
The absolute first thing you need to do is get some chlorine in the water. Hopefully you've been adding some throughout the last week--but go ahead and add some bleach with the pump running, adding into the return stream or into the skimmer, to get your chlorine up to 3-5 ppm. In a pool your size, each 2 cups of 6% bleach should raise your FC by approximately 1 ppm. Your pool won't have any stabilizer (CYA) in it until you add it, so that means that your chlorine is going to be partially consumed by the sun, so you're going to need to add more bleach at least twice a day to maintain a minimum of 2-3 ppm of chlorine. You can go ahead and add stabilizer....if you have a skimmer, you can add it through the skimmer but not clean your filter or retest for about a week--it takes a long time to dissolve. If you don't have a skimmer, you can put it in an old tube sock or knee hi hose and tie it in front of your return and let it dissolve that way. Follow the label instructions for the target of 40 ppm for your pool, then add only about 2/3 that much--it's easier to add more CYA later if you need it than to drain/refill the pool to lower it if you overshoot. Once the stabilizer dissolves and registers in your water, then you won't have to add chlorine nearly as often.
Your alkalinity and pH are high. You can use muriatic acid to lower both at the same time, following the directions in this sticky:http://www.poolforum.com/pf2/showthread.php?t=191 Be careful with the acid--don't splash it on you, your clothes, or your pool, and DON'T BREATHE THE FUMES!! You can see what looks like smoke coming from the container when you open it, so just make sure you stay upwind of it. If you splash it on your skin, it's not gonna instantly burn, so just submerse it in your pool and it'll wash off, but if you breathe it, it's all kinds of painful (ask me how I know!)
Hope this helps...
Janet
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