Quote Originally Posted by Philippe Berger View Post
Thank you very much, all friends for your help
Isopropyl alcohol an cause the ink particles in glop to aglomerate into little grains. Use less IPA and mix it 50/50 with water, if you are using it. I sometimes use 50ml/liter of glop cut with water if I am in a hurry, but the bubbles will go away on their own if you wait long enough.