![]() #OSMOS FILTER HOW TO#How to test the Acidity level of your RO Water? If you’re looking for an efficient RO system with healthy PH level, we recently published a reverse osmosis system guide that compares all the top filters on the market. Many beverages have a lower Ph than reverse osmosis water, including milk, tea, coffee, fruit juice, and carbonated drinks. Thus, the water produced using reverse technology usually has a Ph level of 6.0 to 6.5 once it’s exposed to the air. The removal of minerals such as calcium and magnesium results in more acidic water. Since reverse osmosis and distillation generate almost pure water, the water they produce easily becomes acidic when exposed to air.īesides CO2 from the air increasing the acidity of reverse osmosis water, reverse osmosis removes alkaline minerals from the filtered water. The purer the water, the more CO2 it can absorb, increasing its acidity. The equation for this reaction is: H20 + CO2 = H2CO3. This drop-in Ph results in reverse osmosis water’s acidity.Ībsorbing CO2 from the air causes water to produce a carbonic acid solution. As mentioned above, the Ph of reverse osmosis begins to fall as soon as the water is exposed to air. Reverse osmosis water is slightly more acidic than pure water. Is RO water acidic? The answer is yes, but it’s not excessively acidic when compared to the liquids most of us consume daily. To put this into context, it’s a good idea to look at the Ph levels of other common beverages.Īs you can see, many liquids we consume daily have a much higher acidity than reverse osmosis water. Thus, reverse osmosis water with a Ph of 6.0 is ten times more acidic than unfiltered water with a Ph of 7.0. The Ph scale is logarithmic, with each digit portraying a 10-fold increase in acidity or alkalinity compared to the previous digit. The lower a beverage’s Ph, the higher its acidity. The higher a beverage’s Ph, the higher its alkalinity. ![]() To understand what this means, it’s important to know what we mean when referring to acidity. ![]() The simple answer is yes reverse osmosis water is acidic. RO produces safe, high-quality water that often tastes better than tap water.Īccording to the Environmental Protection Agency, water with a Ph between 6.5 and 8.5 is safe to drink. Within an hour of being exposed to air, a glass of reverse osmosis water falls from a Ph of 7 to 5.5. It takes about an hour for exposed reverse osmosis water to drop from a Ph of 7 to 5.5 or lower. The drop occurs because water has an appetite and absorbs CO2 from the air. When reverse osmosis water is exposed to air, its Ph level drops to 5-5.5, still within the healthy range. The Ph of reverse osmosis water is within the healthy Ph level of 5-7. This article will clear up any doubts you may have about the Ph of reverse osmosis water. ![]() Reverse osmosis is one of the most common water purification methods used in residential water filtering systems.Ī common question people ask when thinking about buying a reverse osmosis water system is: what is the Ph of RO water. ![]()
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