Sediment has formed on the floor of the whirlpool tub after using Lotus Clean. What does this sediment consist of?
If the whirlpool tub runs with a massage pump and bubbles, aerosols are also produced which are inhaled. Have the Lotus Clean aerosols been tested to determine whether they have any health consequences for the lungs or health?
Which measuring device is the best way to display the water values in my Lay-Z-Spa whirlpool? Do you have a recommendation?   
I have the following question about the item Lotus Clean Magic Spray Can the cleaner be used with a filled whirlpool tub to remove dirt marks or must it be emptied?
Is it possible to use Lotus Clean System Wash in a whirlpool with a sand filter system? What do I have to pay attention to?