Back in the day of lead-acid batteries, can lights were heavy, to the point of being considered ditchable weight in an emergency. With modern batteries, they're so light and compact that you'll never notice the weight in the water.
Why do you need more lift when cold water diving?
- Thread starter bkopec
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Back in the day of lead-acid batteries, can lights were heavy, to the point of being considered ditchable weight in an emergency. With modern batteries, they're so light and compact that you'll never notice the weight in the water.
fnfalman
Contributor
Others have already answered you on the cannister light of current design. However, though it's lighter you should still take the negative buoyancy characteristics into account because if it sinks, then it's ballast. I don't think that trim is an issue because you'd be using less lead if you were to use a heavy cannister light anyway. Besides, you can always use the weight pouches that are attached to your cam bands to help trim out too.
And yes, it was me with the yellow Halcyon Infinity.
It's also true that, if you are in horizontal trim, you can (and eventually will) park gas in one side of the wing or the other, to balance yourself from side to side. Were that not true, nobody could comfortable carry deco bottles or an argon setup on one side.
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