![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?auto=webp&s=7eba9ea736ca03518b0aa5a10f1cd29b1e37bba9)
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
![New place needs some desperate help, does anyone know how to get rid of this? I tried CLR and let it soak then scrubbed and it didnt budge : r/CleaningTips New place needs some desperate help, does anyone know how to get rid of this? I tried CLR and let it soak then scrubbed and it didnt budge : r/CleaningTips](https://i.redd.it/ldwb3kg19qw61.jpg)
New place needs some desperate help, does anyone know how to get rid of this? I tried CLR and let it soak then scrubbed and it didnt budge : 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 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)
Desperate and disgusted. Will muriatic acid work or ruin my toilet? Pumice stone won't reach it. CLR didn't work. : r/CleaningTips
![I feel like I'm pouring CLR down the drain at this point- how do I get these toilet stains?? : r/CleaningTips I feel like I'm pouring CLR down the drain at this point- how do I get these toilet stains?? : r/CleaningTips](https://preview.redd.it/i-feel-like-im-pouring-clr-down-the-drain-at-this-point-how-v0-jki1nitndab81.jpg?auto=webp&s=01908385e94bd5839fa8936a3582f42c8914fbb8)