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Good to know!!!Welcome. I found this if it helps:
Softened Water
Water softeners commonly use salt (sodium chloride)—the same stuff in your kitchen saltshaker—to replace the calcium and magnesium ions that make water hard. Hard water’s biggest caveat is scale buildup. It’s not unsafe to drink, but it can clog pipes, build up around faucets, and keep your soap from lathering in the shower. Water softeners installed where water enters the home can protect pipes, making the naturally hard water unavailable.
While water softeners use common table salt, the process of softening is only replacing calcium and magnesium ions with higher-charged sodium ones. Very little sodium ends up in the drinking water. Even for people on a sodium-restricted diet, the FDA says that the amount of sodium in an 8-ounce glass of water is so low that it still falls under its own definition of a very low-sodium food.
Consider that if you’re giving your chickens any kind of electrolyte products, that it contains more sodium than they will consume from softened water. Sodium is an essential electrolyte. If you’re sodium sensitive and use a water purification system that uses potassium chloride in lieu of sodium chloride, this is also safe for you and for your flock.