How to Make RO Water Mineral Rich: Getting the Result That Feels Like Spring Water

They want water that tastes the way good spring water tastes: round, slightly sweet, satisfying.
It requires hitting a specific mineral content range and maintaining it consistently.
The Numbers Behind Good-Tasting Water
It does not have a single universally agreed definition.
Below 50 ppm, the improvement over straight RO water is minimal.
This is the range where most people notice the water tastes like good spring water rather than filtered tap water.
The Best Approaches for Mineral-Rich RO Water
It delivers calcium and magnesium on every draw without any per-serving effort.
The trade-off is consistency: the result depends on how reliably the drops are dosed.
Blending with  mineralizing water -mineral spring water can produce a mineral-rich result but requires finding a spring water brand with high enough calcium and magnesium to push the blend into the target range.
How to Know You Have Hit the Target
The body is heavier, the finish is cleaner, and the slight sharpness of acidic low-TDS water is gone.
reverse osmosis demineralised water  reading in the 80 to 150 ppm range confirms the mineral content is there.
Temperature also affects the perception of mineral content.
Keeping RO Water Mineral Rich Over Time
The most common reason a previously mineral-rich result degrades is cartridge depletion or irregular dosing.
Ongoing maintenance is a monthly TDS check and a cartridge replacement once or twice a year.