Pool chemistry basics
The six numbers that matter and their ideal ranges.
Clear a green pool
Step-by-step plan to kill algae and get clear water.
Hot tub water care
A simple weekly routine for clean spa water.
Not sure where to start?
If your water is clear and you just want to keep it that way, start with pool chemistry basics. If your pool is green or cloudy, go straight to how to clear a green pool. Hot tub owners should read the hot tub water care routine.