These roots were gently rinsed, put into a KOH solution for one hour at 90-100 degrees celsius, subsequently rinsed with a 5% vinegar solution. This root is not recoloured with ink!
These roots were gently rinsed, put into a KOH solution for one hour at 90-100 degrees celsius, subsequently rinsed with a 5% vinegar solution. This root is not recoloured with ink!