1. Unscrew the shower head from the shower pipe
2. Wrap the shower pipe with the thread sealing tape that is included.
3. Screw the shower adapter onto the shower pipe until it is snug...not too tight!
4. Screw your shower head back onto the threads of the shower adapter
5. On the shower adapter, there is a push-button switch for you to switch between your shower and the Aquapaw