||Use on glass, plastic and stainless steel. For brew kettles, mix 4 scoops (2 oz) per gallon of warm water. Fermentors, fittings, bottles and tubing only require 2 scoops (1 oz) per gallon of warm water. Spray or immerse surfaces and allow cleaner to loosen soil for 5-20 minutes. Rinse with clean water and sanitize. For heavy soils and carbon, increase the water temperature, extend the soaking time up to 24 hours, and use soft-bristled brush.