photo2u said:
I wanted to know which chemicals I should add to the water. I was thinking to add some cya,fc and some muratic acid. It this correct? How much of this chemicals should I add considering my 33k Gal. of water pool.
There are really two main concepts that apply to swimming pool water: sanitation (usually chlorine) and balance (pH, calcium saturation). The CYA preserves a portion of the chlorine in the water protecting it from destruction by ultra-violet light from the sun, and enough calcium and bicarbonate buffer the pH and prevent your newly acid-washed marcite plaster from dissolving. But a direct answer to your question can be found here
Recommended Pool Chemicals and
here.
Pool school has other good articles, almost all of them brief, that will help you get your pool up and running. When you have a moment, browse through them, and feel free to post back with questions.