.... the bucket shape was made flatter with compressed foam products of varying densities.

SOAP SCUM EXPERIMENT RESULTS ARE IN!!! (A past thread topic)-- in addition to acidification of soaps and shampoos, a pre-shower spray of build-up areas PREVENTS build-up. Accidental discovey-- clear shower curtain ruined by housemate with mineral depis its, so tried pre-spray on replacement clear shower curtain and VIOLA! Pre-spray. Shower. Rinse pre-sprayed area with water. Done@

~S~