brown_chair
New Member
Hi everyone. I live in a really old apartment building and poured some draon-o down my bathtub, and several minutes later this stain appeared on the bathtub. If I had to guess it's the rust from the pipes. I've tried baking soda/white vinegar, more drain, bleach and CLR with absolutely no budging of this stain. Any help would be appreciated!![IMG_0802.JPG IMG_0802.JPG](https://cdn2.imagearchive.com/houserepairtalk/data/attachments/29/29064-5ee4d76d4ae915b7853db4342f84364c.jpg)
![IMG_0802.JPG IMG_0802.JPG](https://cdn2.imagearchive.com/houserepairtalk/data/attachments/29/29064-5ee4d76d4ae915b7853db4342f84364c.jpg)