New to pool ownership and my cya is high

Robmft

New member
Oct 3, 2020
1
Texas
So the wife and I bought a house with a pool and yes its our first pool. First month everything was good, this month not so much. Checked levels and my cya is high (150). Drained half my pool and refilled checked about 30 minutes later and still 150. Have a feeling this is going to be expensive.