Professor Amos’ Toilet and Tank Cleaner ™ not only cleans and deodorizes, this powerful toilet and tank cleaner removes rust, residue and hard water buildup. This concentrated formula has up to 24 applications. This special formula starts out green and changes to blue to let you know your toilet is clean. And, the extra thick formula clings to the surface to remove rust and attack lime scale, calcium, soap scum, hard water build up, mold, and mildew stains.
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.