I don’t use it before 40 meters. The deepest fish I’ve caught with variable weight was at 70 meters the Mediterranean can be tough. This is advanced spearfishing that I am teaching to my student egopleijsier . You need, at minimum, a Master Freediving level, fast and efficient equalization, and a solid understanding of proper warm-up protocols before even thinking about it. #spearfishing #spearfishing_reviews #spearfishing_international #spearfishingaustralia #spearfish