Does the parents pay for entrance as well even if not riding the slides?

Yeah they charge either way

Yes

Yes. Parents pay regardless if they swim or not.

Pay admission no matter what. It includes pool, lazy river, slides, kiddie pool. You can take in food and drinks plus they have a snack bar. No additional cost for tubes. Lounge chairs on first come, first serve basis. Great place.

Yes you have to pay admission even if you're not riding

Pay entrance and free for riding slides also free ride tube