How to self-clean your whirlpool tub ?

Here are the steps to follow to activate the self-cleaning function on whirlpool tubs that have this option:

-Empty the bathtub completely after using the bath.
-Choose the water flow selector to let the water flow out of the jets.
-Turn the flow selector to let the water flow out.
-Allow the water to circulate for a few minutes so that the pipes can be cleaned to remove any debris.
This procedure avoids the accumulation of residues and dirt in the internal pipes of the whirlpool tubs.