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Old 11-10-2014, 01:48 PM   #1
Rosstnfound
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Low tech/low coast fish cooling

I have a scupper pro and previously when I caught a Yellowtail or White Sea Bass, I would put my fish in the tank well and hope they would stay cool in the hot sun. Bringing a catch cooler is great but you will not drop the temperature of the fish (water/fish temp 70 degrees) unless you also bring ice too. That just seems like too much hassle. A few times, I tried keeping a wet white towel over the fish to keep the fish cool. It definitely worked better than nothing.

I came across these cooling towels a couple months ago that are specifically designed to cool (up to 20 degrees lower than ambient temp) by water evaporation. They work a whole lot better (colder) than a wet white towel, are light weight, compact and give me the piece of mind knowing my fish is not cooking in the sun. Plus they have a durable case that comes with it.

There are several brands available. I got a light colored (yellow) Frogs Toggs Chilly pad cooling towel. 27"x17". It covered and cooled a solid 27lb Yellow Tail (except for the tail and nose). I was surprise how cold the fish felt.

I think you can find these on ebay for around $10. If you don't use it for fish, they work great to keep you cool (what they were actually designed for).

They work best in hot/dry climates. They do not work well in humid climates as they rely on efficient evaporation to cool.
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Old 11-10-2014, 01:50 PM   #2
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Re: Low tech/low coast fish cooling

check out a product called Nu - ice. It is precisely in a deep freezer or conventional freezer (2 types) and it will keep your catch ice cold without taking up any space or weight. They were originally designed for the medical transport of organs
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Old 11-10-2014, 02:00 PM   #3
Rosstnfound
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Re: Low tech/low coast fish cooling

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Originally Posted by KILLIAN View Post
check out a product called Nu - ice. It is precisely in a deep freezer or conventional freezer (2 types) and it will keep your catch ice cold without taking up any space or weight. They were originally designed for the medical transport of organs
Sounds like a good product but how do they not take up space or weight? They sound more manageable than ice.
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Old 11-17-2014, 09:31 PM   #4
Tyson Brown
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Re: Low tech/low coast fish cooling

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check out a product called Nu - ice. It is precisely in a deep freezer or conventional freezer (2 types) and it will keep your catch ice cold without taking up any space or weight. They were originally designed for the medical transport of organs
neat - I had heard about this stuff before, but I didn't know it was reusable. "Up to 5 years".

You have to pre-freeze the pack down to basically 0 deg F, which is what I keep my regular freezer at anyways.

These things look pretty handy.

http://icealternative.com/recreational-uses/

$20 for 5lb bag:
Amazon.com : Nu-Ice PC16-5 5Lb Marine Series : Camping And Hiking Equipment : Sports & Outdoors Amazon.com : Nu-Ice PC16-5 5Lb Marine Series : Camping And Hiking Equipment : Sports & Outdoors
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Old 11-19-2014, 10:18 AM   #5
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Re: Low tech/low coast fish cooling

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check out a product called Nu - ice. It is precisely in a deep freezer or conventional freezer (2 types) and it will keep your catch ice cold without taking up any space or weight. They were originally designed for the medical transport of organs

Damn that stuff looks pretty interesting. Says it will last up to 96 hours that's pretty good. I may have to order some of that. Thanks for passing it along
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Old 11-19-2014, 10:35 AM   #6
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Re: Low tech/low coast fish cooling

Nu-ice works as described. The true zero degree type when placed ina cooler along side a bag of ice will keep it drip free for days in my own tests. The 32degree version is good for drinks and sandwiches. The concept us to keep the ice you have from melting. Thus you bring less ice with you and will be carrying less load for those mentally disabled few that can't connect the dots.

A buddy of mine is a distributed here in FL and he turned me into the product. It can be punctured and destroyed unfortunately so go easy. But the contents are non toxic so don't swqet it if you do. Unless ur poor since these things aren't cheap
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Old 11-20-2014, 11:17 AM   #7
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Re: Low tech/low coast fish cooling

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Thus you bring less ice with you and will be carrying less load for those mentally disabled few that can't connect the dots.
Wow. Nice addition there.


Everyone else. Thanks for the good ideas. I am always looking for ways to improve my diving and the quality of my catch. The 0 degree nu-ice and the salted ice sound like things I will try. Tony can you explain the process in a bit more detail?

I like that liquid nitrogen video.

Last edited by Rosstnfound; 11-20-2014 at 05:06 PM.
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Old 11-20-2014, 01:20 PM   #8
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Re: Low tech/low coast fish cooling

Sorry Ross. Didn't mean to make you sad with my cutting words. The zero degree pack placed in a soft fish bag could literally freeze a medium size fish solid as a rock if left covered for the whole.trip. It is literally 20-30 degrees colder than ice (probably even I've with salt) so one pouch will be more than enough. Toss a small amount of loose Ice into the fish bag too and it won't melt but will chill your fish to the core.

It's cheaper over time
It's less cubic space.
It's less weight over all.
It's colder than ice
You learned about from an evil prick.

Again I'm sorry I offended you buddy. I just hoped you would do the research and find the reasons why I suggested before you responded with basic questions that are explained on the Nu - ice website.

But people looking for help always ask more than they research so I guess it's my fault for expecting more from the situation.

We good?
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Old 01-05-2018, 01:21 PM   #9
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Re: Low tech/low coast fish cooling

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check out a product called Nu - ice
New name for Nu-Ice is "Cooler Shock" (coolershock.com). Buy the dry bags, add your own water when ready to use (saves money on shipping, easier to store). The day before you go fishing, put them in the freezer. Keep them in a cooler or insulated fish bag. Keep your fish on a stringer until you are ready to transport, open back or cooler, fish on bottom, Cooler Shock bags on top. Works like a charm.

I also keep a super lightweight cutting board and a cheap Ginzu knife to cut off heads and tails if fish are too big (I live down in Baja.... lot's of big fish here).
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Old 11-10-2014, 01:51 PM   #10
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Re: Low tech/low coast fish cooling

I intended to say Pretzel chilled and not use the word precisely
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Old 11-10-2014, 01:53 PM   #11
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Re: Low tech/low coast fish cooling

Damn auto correct! pre chilled!!!!

Good luck
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Old 11-17-2014, 09:24 PM   #12
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Re: Low tech/low coast fish cooling

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I intended to say Pretzel chilled and not use the word precisely
Well, I had intended to say "ladle modulated hippopotami", but you covered it pretty well.
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Old 11-10-2014, 05:43 PM   #13
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Re: Low tech/low coast fish cooling

This is a silly idea. Those wash cloths are covered in alcohol and when THAT evaporates off your skin it feel cooler. If youre too lazy to carry ice on your fish i dont know what to tell you. But you can always carry a small amount of ice, and sprinkle it with about a half dollar sized amount of morton salt. That'll keep it colder then cold.
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Old 11-10-2014, 07:10 PM   #14
Rosstnfound
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Re: Low tech/low coast fish cooling

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This is a silly idea. Those wash cloths are covered in alcohol and when THAT evaporates off your skin it feel cooler. If youre too lazy to carry ice on your fish i dont know what to tell you. But you can always carry a small amount of ice, and sprinkle it with about a half dollar sized amount of morton salt. That'll keep it colder then cold.
Absolutely no alcohol on these and they work well. Just get them wet and the evaporation does the cooling. I agree it is definitely not a whole day solution to cooling a fish but good to buy you an hour or two. I would rather not deal with ice and a cooler on a kayak. After I do get a fish, I usually head in unless I really want another.
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Old 11-13-2014, 02:21 PM   #15
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Re: Low tech/low coast fish cooling

I've gotta have the real thing, as I'm out 4-6 hrs usually. I carry about 10 lbs ice in a small igloo behind kayak seat for the smaller fish and food drinks etc, and about 15 lbs ice Still in bag in a soft cooler in the front hatch for the groupers and muttons. This way, when I get home, the catch is ice cold and easy to fillet, also I know that my catch is chilled as soon as it's dead, which will definitely preserve the quality and make it stay fresher longer. Yeah, it's a lot of xtra weight, but well worth it in my opinion. Good luck with your towels
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