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Water Questions

8 articles

The most common questions about water types, water filters, and more.

Articles

Why does water quality matter when brewing coffee?

Water quality is the key to great coffee. Coffee is made of 98% water! Because of this, you want to use the best water possible to brew your favorite coffee. The Specialty Coffee Association (SCA) created a water standard to help guide the specialty

What is TDS and why does it matter?

TDS stands for "Total Dissolved Solids," and represents the amount of "stuff" 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 effects the level of

What kind of water should I add Third Wave Water to?

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

Is Third Wave Water too hard for my coffee equipment?

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

Why is my TDS reading high?

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

Are there special instructions when using empty water like Distilled Water?

Yes. Since empty water (e.g. Distilled Water, Reverse Osmosis Water, Deionized Water, etc) does not have chemicals to reduce bacteria growth (NCBI) it must be handled differently. This type of bacteria is not typically harmful but can cause a biofilm

Do I need to remove the water filter from my machine?

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

Where can I find distilled water?

Empty water can sometimes be found in the United States at the following locations: