Chunks in my coolant

The vinegar to this point has bleached the color out of them. They are pure white now like a crack rock lol. Maybe i could make a few bucks lmao. The well water thing is a good point. Im wondering if my dad topped it off at the farm. Its stored there and he has drove it a few times and they have a well
Hard water is still hard water even after a water softener…could make it worse for a cooling system.