You are right that your ph is high. A good range for ph is 7.4-7.6, but anywhere between 7.2-7.8 is OK. You can use some muriatic acid to lower it. You also need to get some chlorine in your pool or it is going to turn green! With a cya of 30-50, you need to maintain chlorine between 3-6 all the time. Use the bleach calculator at the following link to determine how much plain, unscented laundry bleach you should add. In the upper left-hand corner you will find other calcs.
http://home.earthlink.net/~mwsmith70...achCalc262.exe
Also, read through a lot of other posts on the forum and at the sister site www.poolsolutions.com. Welcome to the forum!
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