Bluelab Inline pH Probe Hotbox Prevents infection by soil/medium born

Prevents infection by soil/medium born diseases

Use the formula at the recommended rate of 1

made of 100% copper

Calcium EDTA strengthens the structure of your plants' cell walls for stronger crops

Bluelab Inline pH Probe Hotbox Prevents infection by soil/medium bornOverview The Bluelab pH Inline Probe is a replaceable double junction probe designed for use alongside your Bluelab Guardian Monitor Connect. General Information Designed with longevity in mind, the double junction probe is encased in a high pressure housing and utilising high quality electrical components. Benefits Double junction probe reduces reference contamination Fully waterproof 3 4" NPT thread fits inline mounting with the use of 1" adaptor 3m