Hanna pH Checker making it even easier to

making it even easier to upgrade to the Nexus Automatic System

2 red LEDs indicate low food in the container

The EA Pure Sludge Bomb contains millions of beneficial bacteria and natural enzymes that rapidly break down and digest sludge and organic waste

filter media and fountain nozzle

While dosing with Fluke M you can continue to feed

Hanna pH Checker making it even easier toQuite simply our most popular pH tester, the Checker is a real favourite with its clear LCD display, long thin pH electrode and ease of operation. Key features Sturdy compact meter designed for direct sample testing Easy to read LCD with 0. 01 pH resolution Thin long reach pH electrode included as standard Electrode is quick and easy to replace by unscrewing it from the meter body and adding a new one Two point calibration is simple to perform by