The most common questions about water types, water filters, and more.
TDS stands for "Total Dissolved Solids," and represents the amount of "stuff" that is dissolved in a liquid. This stuff can be organic matter, minerals, and even some chemicals (depending on where your water is coming from). TDS matters because it ef
Third Wave Water minerals should be added to any kind of "empty water." This includes distilled water, deionized water, reverse osmosis (RO) water, or water from a Zero Water filter. When you add minerals to any of these "empty waters" (water with li
No. All four of Third Wave Water mineral profiles create permanent hardness, which does not add to limescale formation to your coffee makers. However, it is recommended that you use only Espresso Profile in your espresso machine. If you measure Third
The water you are using may not be truly "empty" water. For the most accurate results, test your water before and after adding TWW minerals. Starting water should read at 0-9 TDS. The TDS meter is calibrated to read potassium rather than sodium. Pota
Yes. Since empty water (e.g. Distilled Water, Reverse Osmosis Water, Deionized Water, etc) does not have chemicals to reduce bacteria growth (like chlorine and chloramine) it must be handled differently. Over time, you may start to notice some bacter
It depends on what kind of filter is in your espresso machine or coffee maker. If it is a carbon filter (similar to a Brita filter), then it doesn't need to be removed. If it is an ion exchange filter or something similar (found in some espresso mach
Empty water can sometimes be found in the United States at the following locations: