i use a 50lb bag and a spool with 100' of line
mine is primarily for redundant buoyancy in the event my wing fails since a pair of steel tanks are at least mildly negatively buoyant and swimming up with a bag seems a much better option than becoming a permanent fixture at 160'
mine is primarily for redundant buoyancy in the event my wing fails since a pair of steel tanks are at least mildly negatively buoyant and swimming up with a bag seems a much better option than becoming a permanent fixture at 160'