re: Using Dry Ice for Fishing

I got a Rubbermaid 5 day cooler (~60qt) from Walmart for about $35. It performs much better when its full or almost full. I load it with beer and bottled water, put in icemaker cubes and then some frozen 1qt gatorades across the top. It'll still have ice in it on the 5th day, if it's kept in the shade. It's my understanding that water will stay colder longer than air. That's why I don't drain it.
I'm sure one of the resident TD physicists will disprove my theory in very short order!

Choirboy and I had the same thought. You gotta use alot of weight though to get it down fast enough.

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From what I've read the only way you'll get the performance you'd expect out the yeti is to ice down the ice chest before you go out. Just throw a bag in the day before then when you go to pack drain it all out and pack it like you would normally.
Read that on a forum with guys talking about how to keep ice when they go offshore. Course it seems like it would work with any ice chest

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Yes, I do that with mine. I'll throw just a bit in it to "cool it down". It's like putting a room temp can of coke or one from the fridge. You don't lose that initial draw down.

Remember, heat lost = heat gained...same for cold. To cool a can, etc. the ice must "lose cold".

Make sure your dry ice doesn't touch your fish. I always put stadium seat cushions, newspaper, or blankets on top of the dry ice, and then whatever I want to keep cold on top. Dry ice is a ton colder than regular ice, and it keeps for much longer - and no watery mess... it just evaporates. The better cooler you have, the longer it will keep, too.

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Throw a cup of salt in your ice chest with the ice and the ice will keep cold for another two days.

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This works, but you can't drain it. The salt makes the ice melt some, but the salted water/ice mixture will say colder than ice alone.
I you wanna get your beer cold fast and keep it cold, salt is the shite

It freezes all the little pieces of ice into one giant rock hard block.
Didnt work too well for us, had to chisel trout out of an ice block.