![CLR Brilliant Bath Foaming Bathroom Cleaner Spray - For Use On Toilet, Bath, Shower, Sink, Glass, Stainless Steel - Fresh Scent, 26 Ounce Bottle (Pack Of 2): Amazon.com: Industrial & Scientific CLR Brilliant Bath Foaming Bathroom Cleaner Spray - For Use On Toilet, Bath, Shower, Sink, Glass, Stainless Steel - Fresh Scent, 26 Ounce Bottle (Pack Of 2): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71yGxF101EL.jpg)
CLR Brilliant Bath Foaming Bathroom Cleaner Spray - For Use On Toilet, Bath, Shower, Sink, Glass, Stainless Steel - Fresh Scent, 26 Ounce Bottle (Pack Of 2): Amazon.com: Industrial & Scientific
![Is this rust or corrosion? Tried using CLR and scrubbing and it's still there. Just a tenant. Also, what would cause this? Toilet is half a year old : r/Plumbing Is this rust or corrosion? Tried using CLR and scrubbing and it's still there. Just a tenant. Also, what would cause this? Toilet is half a year old : r/Plumbing](https://preview.redd.it/lmfywvnco8841.jpg?width=640&crop=smart&auto=webp&s=92a702fa28f32aa86937f3ba5d4b87d0638af295)
Is this rust or corrosion? Tried using CLR and scrubbing and it's still there. Just a tenant. Also, what would cause this? Toilet is half a year old : r/Plumbing
![Desperate and disgusted. Will muriatic acid work or ruin my toilet? Pumice stone won't reach it. CLR didn't work. : r/CleaningTips Desperate and disgusted. Will muriatic acid work or ruin my toilet? Pumice stone won't reach it. CLR didn't work. : r/CleaningTips](https://i.redd.it/xpxcvp3e2d711.jpg)