Freezing salt water

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    Posted: 02 Dec 2023 at 9:35pm
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Can I literally just freeze ocean water instead of buying salt ice?
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Post Options Post Options   Likes (0) Likes(0)   Quote MB Quote  Post ReplyReply Direct Link To This Post Posted: 02 Dec 2023 at 9:42pm
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You could, but why would you? Sea water is a soup of fish, mammal and reptile **** and god knows what else. I make my own salt ice with table salt and tap water at the same concentration as sea water. 35g per litre. 
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Waste of time & end result is useless after a few hrs if that
I made my own using 2 & 4L containers as frozen blocks. As soon as it came out of the freezer, it thawed quickly. By the time I headed out, about 15mins from home, setup my kayak, already 1/2 L of water from the ice had thawed

Best to make it out of salt & tap water like MB suggested, its the same stuff that you buy commercially
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Post Options Post Options   Likes (0) Likes(0)   Quote Kandrew Quote  Post ReplyReply Direct Link To This Post Posted: 04 Dec 2023 at 8:08pm
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I freeze milk bottles filled with home made salt water, works fine if a fish fin punches one I just drop it in the recycling bin and fill up another one.
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Yep frozen bottles are great, after reading this just made some more.

I also find put one in chilly bin the night before going out, then in morning the bin has cooled down, find the ice and new frozen bottles last longer..
Those that say it can't be done are being overtaken by those doing it.
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Post Options Post Options   Likes (1) Likes(1)   Quote Fish Addict Quote  Post ReplyReply Direct Link To This Post Posted: 04 Dec 2023 at 9:21pm
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If you have a spare 15 mins this is a good read.
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Post Options Post Options   Likes (1) Likes(1)   Quote Mc Tool Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2023 at 9:20am
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I usually just buy a couple of bags of normal ice  and tip in 1/2 a bucket of sea water once out  on the high seas .
I wish I was young again .... Id be heaps smarter than this time
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Originally posted by Mc Tool Mc Tool wrote:

I usually just buy a couple of bags of normal ice  and tip in 1/2 a bucket of sea water once out  on the high seas .
Salt Ice bags at the local servo here are $12 each That hurts.Ouch
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Post Options Post Options   Likes (0) Likes(0)   Quote krow Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2023 at 8:45pm
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Originally posted by yknot yknot wrote:

Yep frozen bottles are great, after reading this just made some more.

I also find put one in chilly bin the night before going out, then in morning the bin has cooled down, find the ice and new frozen bottles last longer..
I too pre cool the chilly like that. I find the bottles don't do a good job with cooling the fish as they don't give up their coolness quick enough so I take flake ice.
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Some people freeze ice cream containers full of water, run them under hot water until they drop out of the container and keep them in the freezer until needed. A bit of salt water in the chilly bin and 3 or 4 of these big ice blocks cool things down.
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Post Options Post Options   Likes (0) Likes(0)   Quote krow Quote  Post ReplyReply Direct Link To This Post Posted: 05 Dec 2023 at 9:32pm
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Originally posted by Fish Addict Fish Addict wrote:

If you have a spare 15 mins this is a good read.
Just read all that thanks. Me thinks I'll give it a go freezing salt ice in ice cream containers or similar and using them like giant ice cubes.  
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I bought some 2L silicone soap-making moulds for making large salt ice cubes. 

In terms of fish storage, I think the best strategy I've come across is placing fish in a salt ice slurry, then once cooled down, packed in solid salt ice. Probably overkill for most of us and I'm not going to carry two chilly bins on my boat for this purpose, just putting it out there. 
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I prefer to just get a couple of $5 bags from servo , job done ! Last for 3 / 4 days in the Coleman esky
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Originally posted by lawabidingpoacher lawabidingpoacher wrote:

I prefer to just get a couple of $5 bags from servo , job done ! Last for 3 / 4 days in the Coleman esky

That is a solution! 
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Originally posted by MB MB wrote:

I bought some 2L silicone soap-making moulds for making large salt ice cubes. 

In terms of fish storage, I think the best strategy I've come across is placing fish in a salt ice slurry, then once cooled down, packed in solid salt ice. Probably overkill for most of us and I'm not going to carry two chilly bins on my boat for this purpose, just putting it out there. 

This is how we do it. A slurry will chill the fish very quickly. Once home we drain the water out and just keep the fish on ice until it's filleted. We use fresh water ice, once a bucket of sea water that's been dumped in with it then any advantage of salt flake ice is gone.

A lot of people seem to believe that sea water somehow more sterile. It isn't. Flake ice does pack down very well and has a much better heat transfer then most other methods - apart from a slurry, but I wouldn't use a slurry if I was using salt ice.
Best gurnard fisherman in my street
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Post Options Post Options   Likes (0) Likes(0)   Quote MB Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2023 at 7:27am
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Nice Thumbs Up
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Post Options Post Options   Likes (0) Likes(0)   Quote Mc Tool Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2023 at 8:38am
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I thought the whole idea of salt ice is that fresh water  sped up  or initiated  decay ..... coz they reckon you shouldnt wash fish in fresh water...........but I dont have running salt water, like last night   wifie arrives home with 2 vacuum packed flounders ( packed yesterday , opened the packet , give it the suspicious sniff Big smileall very good , smelt of just about nothing , clear eyes  but it was a bit slimey  so a rinse under the tap pat dry with handy towel and into the pan ) .
 I dont recall seeing salt ice for sale anywhere round here.
I dunno wether my blue cod are stiff with rigor  or just very cold  but I have to straighten them out before filleting ..... and whoever said that a night in the fridge ( well drained ) is dead right . Fresh is best but  dont over do it as the last time we tried to fry up in the boat the fecking  cooker fell over LOL
I wish I was young again .... Id be heaps smarter than this time
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Post Options Post Options   Likes (1) Likes(1)   Quote smudge Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2023 at 9:01am
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I 100% prefer most fish after a day rather than eating it the same day.  There are some exceptions though. I prefer shell fish fresh but it still keeps well. Kahawai, kingfish, trevally and tuna I'm quite happy to eat straight away. Gurnard and snapper definitely improve with a day or three in the fridge - for me anyway.

As for fresh water destroying the fish? Well flake ice has bugger all salt in it and the fresh water ice I use I turn into a slurry using sea water. Admittedly I often mix some salt with my fresh water when rinsing fillets but usually I don't wash them until ready to cook - unless these been some contamination to the fillets. 

Washing fillets in only salt water seems to have taken off after Matt Watson started talking about that. I certainly wouldn't challenge his fishing knowledge, he's a true legend with a million times more experience than me that's for sure. I simply think it is overstated - especially as much sea water is far from pristine. Of course most of it is when it's taken from well offshore.
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Post Options Post Options   Likes (1) Likes(1)   Quote Tzer Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2023 at 12:15pm
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Fresh water ice cubes or salt ice doesnt really matter as if your making a slurry you will be adding salt water anyway.
Rather than take salt water home to wash your fish with just go buy a bag of non iodised salt (I get it in 25kg bags) and add a cup or 2 to some fresh water is best option, we also use a market garden vege bin to put our fillets into to drain before putting into a container.
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Post Options Post Options   Likes (1) Likes(1)   Quote Kandrew Quote  Post ReplyReply Direct Link To This Post Posted: 06 Dec 2023 at 3:05pm
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Salt ice lasts longer, the salt lowers the freezing point of the water, allowing the water to freeze to a lower temperature.
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