Rawa Posted July 14, 2025 Report Posted July 14, 2025 Somebody used sword to cut or moisture residue in saya started rust spot on yakiba. Please give me your opinion. I was using uchiko once per week on this spot and added extra more choji. Quote
Rawa Posted July 14, 2025 Author Report Posted July 14, 2025 2 more photos. Its black now so should be inctive but dunno whats going on deeper. Quote
Rawa Posted April 9 Author Report Posted April 9 So After a full year of choji I aproached blade wanting to neutralize and clean all rust. It's not attempt to DIY polish but to protect blade from further corroding. While removing old oil I barely used any uchiko as polish was fresh. Quote
Rawa Posted April 9 Author Report Posted April 9 (edited) So for now original photo of worst spot coming from purchase offer and again one of photos above to show what was going on with blade 3 months after purchase. You can clearly see that rust was hiden dipper then just spot on ha and started to appear at wide area. Edited April 9 by Rawa Quote
Rawa Posted April 9 Author Report Posted April 9 So how this spot looks now after coating of baking soda mixed with choij? Of course coating in this particular case needed to cover wider area then only rusted. 1 Quote
Rawa Posted April 9 Author Report Posted April 9 (edited) Covering from the other side practically removed all oxidation without trace. Edited April 9 by Rawa 1 Quote
Rawa Posted April 9 Author Report Posted April 9 And after while with uchiko I got clean surface. 2 Quote
Rawa Posted April 9 Author Report Posted April 9 (edited) And to showcase what baking soda can do with nasty fingerprint at mune I’m adding this photo. Please notice you can clearly see that area wasn’t scratched or grinded. It’s only went from red to white/gray with spots of healthy steal. Edited April 9 by Rawa Quote
Rawa Posted April 9 Author Report Posted April 9 (edited) In my opinion only oiling living rust spots just helps break further already loosen rust crumbs. In my case area with black dots changes to big chunk of rust in just 3 months. Adding more photos of other „bad actors” Edited April 9 by Rawa Quote
Rawa Posted April 9 Author Report Posted April 9 (edited) Now maybe kissaki with uchiko only. Kitae ware near fukura and fukura area is smoother. Edited April 9 by Rawa 1 Quote
Natichu Posted Thursday at 05:23 AM Report Posted Thursday at 05:23 AM Can you describe exactly what you're doing with the baking soda? I must admit I'm not quite understanding the process you're employing. Quote
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