@Koji Submitted by Teoh Yi Chie on May 30, 2019 - 1:57pm @Koji Hi, I'm not sure about refilling this in brush pens but I suppose it should work since it's already considered safe for fountain pens. reply
@Koji
Hi, I'm not sure about refilling this in brush pens but I suppose it should work since it's already considered safe for fountain pens.