How do I clean this toilet bowl. I have tried the normal store bought cleaners and pumice stone. Went back and more buildup from last visit. : r/CleaningTips
How to Clean a Toilet – Expert Tips For Toilet Cleaning
How to Restore a Toilet Bowl: 14 Steps (with Pictures) - wikiHow
How to Restore a Toilet Bowl: 14 Steps (with Pictures) - wikiHow
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Cleaning a Toilet With Sulfuric Acid | ehow
How To Eliminate Rust Stains From Your Toilets
Muriatic acid is best for removing stubborn toilet bowl stains - silive.com
Woman reveals how a $10.50 product restored her toilet to pristine condition | Daily Mail Online