nostr:npub19h7xd9z6skalpk053rqenfaqf6edljm7dj4s77kyf7xw05xvpz6slayzzp Yes I just checked.. As of my last dive if I exhale all my breath in salt water, I would need about 5kg in extra weight to be neutrally boyant. 6kg to sink effectively.

In fresh water, the number is likely closer to 3 - 4KG needed to sink without air in my lugs