 Kandrew wrote:Salt ice lasts longer, the salt lowers the freezing point of the water, allowing the water to freeze to a lower temperature. |
yeah but 
its the temp thats important not the state freezing point is as cold as you can get water, so the fresh ice is colder , and any how it may be ( bet it is ) that salt water has a higher specific heat capacity (
) than fresh water regardless of its freezing point, which would be beneficial . but anyhow I think it mostly bull5hit , that Matt Watson theory sounds about right , I mean not like him to get excited about anything 
Mc Tool wrote:
yeah but its the temp thats important not the state freezing point is as cold as you can get water, so the fresh ice is colder , and any how it may be ( bet it is ) that salt water has a higher specific heat capacity () than fresh water regardless of its freezing point, which would be beneficial . but anyhow I think it mostly bull5hit , that Matt Watson theory sounds about right , I mean not like him to get excited about anything |
smudge wrote:
Are you saying that ice can get colder than freezing point or that water can't get colder than freezing point? I once had a discussion with the self proclaimed expert at everything about the temperature of ice. according to him it would get no colder than zero degrees (fresh water ice). I disagreed |
smudge wrote:
Are you saying that ice can get colder than freezing point or that water can't get colder than freezing point? I once had a discussion with the self proclaimed expert at everything about the temperature of ice. according to him it would get no colder than zero degrees (fresh water ice). I disagreed |
smudge wrote:
Are you saying that ice can get colder than freezing point or that water can't get colder than freezing point? I once had a discussion with the self proclaimed expert at everything about the temperature of ice. according to him it would get no colder than zero degrees (fresh water ice). I disagreed |
| Mc Tool wrote: Ice can indeed get colder than it's freezing point .....way colder . I can't see why it couldn't get to close to absolute zero. But water cannot get colder than it's freezing point ( and that can vary a bit like the boiling point) after that its solid ice . Similarly water cannot be heated above it's boiling point (100⁰c at sea level ....I think we have all been at sea level 😁), but we can mess with that as water boiling point is dependant on ambient pressure. Increase pressure and the boiling point goes up ( which is why we run pressurised cooling systems on our cars etc) boil a pot of water on top of Everest and it won't get near 100⁰c because atmospheric pressure is lower. This manipulating of boiling points of liquids is how we get refrigerators to work. Some refrigerants boil at -40⁰c. Anyhow 😁as far as practical for us fishers the freezing point of ice ,be it salt or fresh , probly makes feck all difference. I have a 60l Coleman chilly bin and two bags of fresh ice ,days fishing ,left the Esky full of slurry on veranda and the last cube melted damn near a week later, thusly I have not bothered to get a lectric chilly bin , preferring to spend that money on various bottled (and canned ) liquids to put in said chilly bin. Here is a hot tip .... don't let you bestie break up ice cubes with the boat knife.......stabbed a **** load of holes in my chilly bin liner🤬🤯 |
& I reckon Icey-Teks are way over rated 
Here is a tip for preparing ice that is very useful.
Water with salt dissolved (brine) has a freezing point below 0 C.
Then use them for your ice box. Because when the ice in these containers thaws at a temperature below 0 C it will keep your ice box cooler.
Use the following proportions:
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