This article will give you
Seagold is THE solution when you still have a mask with fog during the dive underwater.
When you start with build up your equipment, the first thing is to put a drop of sea gold on every glass of your mask and rub this very good. After that you build up the rest of your equipment. In the water you clean your mask with water and you will not have a mask with fog on the inside anymore.
Suggested retail price: 8.00EUR, Safe price: 7.50EUR