![Need help with stairs, an error has been made and instead of oxalic acid, caustic soda was used (exactly same buckets for both products, didn't realize until it was too late), if Need help with stairs, an error has been made and instead of oxalic acid, caustic soda was used (exactly same buckets for both products, didn't realize until it was too late), if](https://preview.redd.it/need-help-with-stairs-an-error-has-been-made-and-instead-of-v0-ez78z41sclj81.jpg?width=640&crop=smart&auto=webp&s=8f6a6556b7e7073ccfec8ecc06c2d3a6784b0947)
Need help with stairs, an error has been made and instead of oxalic acid, caustic soda was used (exactly same buckets for both products, didn't realize until it was too late), if
![Colour changes on densified Scots pine caused by treatment with sodium... | Download Scientific Diagram Colour changes on densified Scots pine caused by treatment with sodium... | Download Scientific Diagram](https://www.researchgate.net/publication/320737139/figure/fig5/AS:555571328028688@1509469934593/Colour-changes-on-densified-Scots-pine-caused-by-treatment-with-sodium-hydroxide-at-04.png)
Colour changes on densified Scots pine caused by treatment with sodium... | Download Scientific Diagram
![A bit of a caustic chemical was spilled on our kitchen table and damaged the finish. I've tried sanding around it but I can't get stain to bind to the wood. Can A bit of a caustic chemical was spilled on our kitchen table and damaged the finish. I've tried sanding around it but I can't get stain to bind to the wood. Can](https://preview.redd.it/a6imj3telku91.jpg?auto=webp&s=f8e153ea918f35ad2a481946f2d119c5551c66b6)