PH GIB

Terra Aquatica (General Hydroponics) pH Test kit.

A simple water or watering acidity meter, ADWA pH tester.

Waterproof and durable measuring device Essentials pH meter for easy and quick measurement of pH values in water or nutrient solution.

Portable measuring device GIB Industries pH PRO Meter. With replaceable probe with BNC connector.

Replacement electrode with BNC connector for GIB Industries pH PRO Meter

Milwaukee Sharp pH tester - waterproof

pH test of water with a range of 4.7 - 7.4 pH - 20ml

A small, inexpensive pH tester PH600 from Milwaukee for checking and measuring the pH of water or watering.

A simple drop ph Ben test for measuring pH in ponds and artificial reservoirs, which lasts for about 40 measurements.