People making things complicated only. Don't know where it came from "white caps" tik tok kot. Not to make you confuse, its RO Water.
Genereally RO water is just less healthy from Mineral water. I always finish RO Water within a day. Not overnight. Somehow especially Summer RO Water, if you keep overnight, the water have a kind of aftersmell. Mineral water don't have this problem tho

how much is normal price?

Consuming reverse osmosis (RO) water for even a few months can create serious side effects, warns WHO.

It has been scientifically confirmed that drinking reverse osmosis water causes more bodily harm and faster than most contaminants found in tap water.

Reverse Osmosis (RO) systems to purify water are in use extensively. Besides the aqua companies that market RO water personal water purifiers are also preferred by many households. RO system off course removes water impurities. But they also remove 92-99% of beneficial calcium and magnesium!

After analysing hundreds of scientific studies concerning RO water, the World Health Organization states that such water has a definite adverse influence on the animal and human organism.

Side effects, even after just a few months

Consumption of RO water leads to the dilution of the electrolytes dissolved in the body water. Inadequate body water redistribution between compartments may compromise the function of vital organs. Side effects at the very beginning of this condition include tiredness, weakness and headache; more severe symptoms are muscular cramps and impaired heart rate.  Long-term consumption of acidic filtered water devoid of essential elements produced by RO filters is unhealthy.

Risk factor for many diseases

Recent studies suggest that RO water may be a risk factor for hypertension and coronary heart disease, gastric and duodenal ulcers, chronic gastritis, goitre, pregnancy complications and several complications in new-borns and infants, including jaundice, anaemia, fractures and growth disorders.

Use of RO water for cooking causes substantial losses of all essential elements

When used for cooking, RO water was found to cause substantial losses of all essential elements from food (vegetables, meat, cereals). Such losses may reach up to 60 % for magnesium and calcium or even more for some other micro-elements (e.g., copper 66 %, manganese 70 %, cobalt 86 %). In contrast, when mineralized water is used for cooking, the loss of these elements is much lower, and in some cases, even higher calcium content was reported in food as a result of cooking.

er... mana bro ... nak beli some for homebrew wine