People tend to check in during these times:
Don't forget to always bring your goggles :)
Watch your things...
Prepare your gear.
Try avoiding the peak hours 6-8pm and wash up thoroughly...
Wear proper swim attire.
To avail the Student's Rate, just present your School I.D.
Regular Rate for Daytime is P30 and for Nighttime is P40 starting 6PM.