In this video, I show you the best pH soil level for tomatoes and other vegetables by conducting soil tests in 3 of our ...

The color of hydrangea flowers can change from pink to purple and blue by tweaking the soil. How do other plants react to those changes? Sydney Kozak explored just that. Her project, “Does changing ...

One of the biggest factors affecting the health of plants in your garden is the pH of the soil, which is a measure of its acidity or alkalinity. A pH of 7.0 is neutral while that above 7.0 is alkaline ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

IPI tests paper-based materials and adhesives for pH levels using a modification (described in ISO 18902) of the standardized test, TAPPI T 509 Hydrogen Ion Concentration (pH) of Paper Extracts (Cold ...