Blog
Notes on better water
Alkaline water filters: what they do and what they do not
Alkaline pitcher filters raise the pH of tap water and add minerals like calcium and magnesium. Here is a plain look at how they work and how to think about the health claims around them.
How to choose the right replacement filter for your Brita® pitcher
Replacement filters are not all alike. Here is how to match a cartridge to your pitcher, read certification claims, and know when it is time for a change.
Arsenic in tap water: where it comes from and what actually reduces it
Arsenic is a naturally occurring element that can reach drinking water through geology and industry. Here is how to find out if it is in your water and what certified treatment looks like.
Making a better matcha latte, starting with your water
A good matcha latte comes down to good tea, good technique, and good water. Here is a simple method, plus how filtered water changes the cup.
Do Brita® filters remove PFAS? What the certifications actually say
PFAS are long-lasting synthetic chemicals that have turned up in water supplies across the country. Here is what standard pitcher filters can and cannot do about them.
How farm fertilizer runoff affects drinking water
Nutrients that help crops grow become pollutants when they wash into rivers, lakes, and groundwater. Here is what runoff means for drinking water and what actually treats it.