Tag: Natural indicators

Over half of all Americans report drinking bottled or filtered water, and many are curious about its properties, including pH. The pH scale measures how acidic or alkaline a substance is, with pure water having a neutral pH of 7. Understanding how to tell if water is alkaline is essential for those interested in water quality, health, and home maintenance.

According to scientific tests, the active compound in turmeric, curcumin, remains yellow in acidic and neutral solutions but turns red in basic environments. So, does turmeric acid or base, and why does its color change in this fascinating way?