This is WATER TREATMENT 101. Hard water has calcium and magnesium ions in it. To get them out you have to use a water softener which has a mineral bed in it. The beads in the mineral bed have sodium ions. As the water flows through it there is an ion exchange. The calcium and magnesium ions from the water stick to the beads and the sodium ions are released into the water. Sodium ions are not salt as we know it but that's another chemistry lesson. Depending on how much water was used and how hard the water is the softener must be recharged with salt to replace the sodium ions so it can do its ion exchange again. During this regeneration the salt is washed down the drain. There are no ill effects caused by drinking softened water but it doesn't taste very good and if the water was very hard the softened water will be laxative. A good system has to be sized according to the hardness of the water in grains per gallon and how much water you use. If the water is salty you need to rinse longer while regenerating. Iron in water is dissolved iron and needs to be removed by oxidizing it. This can be done by injecting chlorine with a chemical feeder and then filtering out the oxidized iron (rust which makes everything brown)with a sand filter.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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