👉 A phytometer is a device used to measure the concentration of specific chemical substances in soil, water, or air. It is typically a long tube with a wide opening at the end that allows air and other gases to pass through it. The tube is connected to an analyte (chemical substance) by means of a filter or cartridge, which captures the gas passing through the tube. The phytometer then measures the concentration of the chemical substance in the air or water. Phytometers are
