RO removes all minerals so yes,

Ro units are what you want for your water purity, without a doubt...

and yes, as turtle said...Calmag+...best on the market, Imho...lw
latewood Reviewed by latewood on . Water Filtration If I am using a reverse osmosis was filter this will deplete my calcium and magnesium levels correct? If I am thinking correctly my water needs the calcium and magnesium. What is the most efficient way to add the calcium and magnesium back into the water? Rating: 5