Juice Treatment (Purify the must) or when Racking(stabilization):
1 gallon
1 campden tablet = .44 gm = 1/10th tsp metabisulfite makes 60 ppm
5 gallons
5 campden tablets = 2.2 gm = 1/2 tsp metabisulfite makes 60 ppm
6 gallons
6 campden tablets = 2.6 gm = 2/3 tsp metabisulfite makes 60 ppm
Sanitizer: Allow the treated equipment to air dry
1 gallon
20 campden tablets = 8.8 gm =2 teaspoon metabisulfite makes 1200 ppm