I'll let someone else talk pumps with you.

I would not just automatically throw in whatever chemicals they included without posting here on the forum exactly what they are including all ingredients.

Another important purchase you need to make is getting a good test kit. You can use the test kit link in my signature below and order a Taylor K-2006 or 2006C (better buy). It is a critical component to taking care of a pool.

Congrats on the new pool!