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The difference between fresh and salt water

June 24th 2014 19:18
Sometimes you're too close to a subject to think of all the angles. This was pointed out to me the other day when someone asked me the difference between salt and fresh water.

Everyone has a good idea what salt water is. Basically, it's the ocean or deltas and tributaries not far from the sea. If you've ever swam at the beach and accidentally gulped in a mouth full of ocean water, you know what I'm talking about. The constant wearing away of rocks, coral and general contaminants, including decaying fish and other biological matter, makes the water salty. In fact, I read somewhere that the ocean's salt would create a layer about 500 feet thick--that's about the height of a 40 story building.

Fresh water, on the other hand, can trip up people. Contrary to the name, it doesn't necessarily mean a flowing stream or river. It just means that it isn't salt water! Lakes, ponds, creeks, rivers, and even ditches can all be fresh water. It used to be that if water flowed over a certain distance of stones, it was considered safe to drink. Somehow, I managed to forget the exact distance but, with all the pollution and crap out there, it's probably not a bad thing!

Despite what you may have heard or read about bull sharks being able to regulate the salinity in their bodies, generally speaking, a fish that thrives in the ocean will die in a lake and vice versa. Granted you may hook up with a "sea bass" or "freshwater drum" but, check the biology and you'll see the difference.

Remember to take the hooks outta yer pocket before ya sit down!

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