I have been trying to find small hollow plastic balls to use as level indicators in my sight glasses. I finally found them but I have to order far more than I need. They are 8mm, red hollow and food grade. I would be willing to sell them for shipping and handling. I was thinking of a bag of 3 or 5. They should last for years in not decades. Let me know if any one is interested. These would allow you to see the liquid level from a good distance. I got my sight glasses from MoreBeer, they are 11mm inside diameter.
Thank you
Thank you