Finings such as Irish moss and others can be added in the final 15 -- 30 minutes of the boil to help prevent haze in the resulting beer .
Finings such as Irish moss are a form of seaweed .
Finings such as Irish moss , a form of seaweed , and others can be added in the final 15 -- 30 minutes of the boil to help prevent haze in the resulting beer .