3 ms·
If the soap is leaving a film, the water is hard not soft.
by mikequinlan 5y ago
If the soap is leaving a film, the water is hard not soft.
- bombcar 5y agoA crust is hard water, slipperiness you can’t get rid of is soft. https://www.usgs.gov/faqs/why-does-it-take-so-long-rinse-soap-my-hands-what-are-hard-water-and-soft-water https://www.usgs.gov/faqs/why-does-it-take-so-long-rinse-soa...