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You can test it at home. Make you own salt water by adding 35grams of salt to a liter of water. Desalinate the water to a new container, and measure the salinity with a hydrometer. one of lo...
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You can test it at home. Make you own salt water by adding 35grams of salt to a liter of water. Desalinate the water to a new container, and measure the salinity with a hydrometer. one of lo...