Hans Grohe 28504XX1, 28502XX1 installation instructions Rinse the handshower with clear water

If scale deposits are noticed on the spray face, pour about 3/4” of a commercial scale remover, such as Lime-Away™ or CLR™ ,into a shallow dish. Dilute the remover according to the label instructions.

Soak only the spray face in the solution for the amount of time specified on the label.

Rinse the handshower with clear water.

Reinstall the handshower. Turn on the water and al- low the handshower to flush for at least one minute.