How to Snorkel for Underwater Photography

Rising to the surface as you are trying to focus and take your photo

Using weights doesn't suit everyone - above all, feel and be, safe

You're down and see that really nice fish.   You get close, stop swimming and focus for a beautiful shot.   Right then, you find yourself floating back towards the surface.   You lose your shot.

Few people who haven't snorkelled realise that with lungs full of air, we float in salt water.

You could consider buying a diver's weight belt and keep adding one kilo of lead at a time until you just have positive bouyancy at the surface.   You don't want negative bouyance for sure!!
Buoyancy reduces as you descend.   So positive buoyancy, at the surface, goes through neutral to negative (ie you sink) as you go deeper.   So, be aware if you dive to quite some depth.

Do your test in shallow water or a pool. Note that you are much more buoyant in salt rather than fresh water.   Keep it safe when adding weights.

Use a proper belt as with a quick release clip to let it all go if you get into trouble.   Lead weights and belt are cheap.   You are the top priority.
Hilary snorkelling

Alternative?   If there is rock, or a heavy object around you hold onto that with one hand.   Take care.   Coral is precious, so, avoid grabbing coral.

Take a close look at the photo to the left.   It shows holding on plus a 'shy' fish (bottom left).

What else?   I used to breathe out a little to decrease bouyancy but having read more, I now feel safer getting the weights just right.

How to snorkel
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Getting nearer Shy fish