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Message: [QUOTE="crsublette, post: 142718, member: 3847"] It makes sense. That is the reason you add [url="http://curiosity.discovery.com/question/why-there-salt-ice-cream"]salt to ice when making homemade ice cream[/url]. Ice alone does not make the milk cold enough to freeze to make ice cream. So, the salt is added to further decrease the water temperature. The salt makes the ice tremendously colder. Even though I am a farmer, I have had a background in analyzing computer software. One of the biggest hinderances in software innovation is changing user's habits, that is convincing users the detriment of old software. There are many old practices out there, which is fine. However, there is such a thing as innovation. Back in the day, .3~.4% permanent salinity levels were use along big water changes so they could do heavy pottassium permanganate doses as a Spring cleaning. Also, huge water changes is a thing of the past due to the massive change in water chemistry and how this affects aquatic life, which the ill affects likely never will become large enough for you to be aware of them. Now, flow through water changes (i.e., constant trickle water changes) have shown to reduce stress of fish; if your tap water is treated with chlorine (not chloramine), then a flow through system makes chlorine water treatments irrelevant, and it has become understand big water changes done at once forces fish to suffer through pH swings. Ya will never know what your fish is suffering until they show ill affect and it sometimes might be too late by then to adjust to save that particular fish. In craig's previous post, it explains quite well the modern uses of salt. Fine to ignore this and rely on habits. I can tell ya that we would be worst off if we remained stagnant due to unwavering habit. However, it is safer to rely on habit if ya misunderstand the innovation. Problem with water garden pond hobbyist is they view koi pond hobbyist to be "elitist" and the koi pond hobbyist view water garden hobbyist to be the "densest metal on earth" and that is fine since it makes for good entertainment. Yay Dos Equis !!! :0000000057: :bdaybiggrin: :0000000057: [/QUOTE]

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