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What is this black gritty residue in my toilet and how can I stop it from recurring? It returns within a day or two after cleaning. : r/CleaningTips
![Weird spots appearing inside toilet bowl (within 1 week of cleaning, always the same pattern) : r/whatisthisthing Weird spots appearing inside toilet bowl (within 1 week of cleaning, always the same pattern) : r/whatisthisthing](https://external-preview.redd.it/KqX7E9cdYn5DK_p9mDaynee1KWQjOW50FN_jzy_9tTU.jpg?auto=webp&s=1ced6ab79c53f73e304f70c5cb3f6833645a88ed)
Weird spots appearing inside toilet bowl (within 1 week of cleaning, always the same pattern) : r/whatisthisthing
![Woman reveals £1 hack for banishing toilet limescale after battling stains 'for years' - Daily Record Woman reveals £1 hack for banishing toilet limescale after battling stains 'for years' - Daily Record](https://i2-prod.dailyrecord.co.uk/incoming/article28778838.ece/ALTERNATES/s615b/0_Dirty-toilet-bowl-with-limescale-stain.jpg)
Woman reveals £1 hack for banishing toilet limescale after battling stains 'for years' - Daily Record
Black deposits in low flow toilets | Page 2 | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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