Bluelab Guardian Monitor Spare pH Probe 2The Bluelab Guardian Monitor Spare pH Probe 2 is a high precision replacement probe for your Bluelab Guardian Monitor. Designed to deliver fast, accurate, and stable pH readings, this durable double junction probe ensures your system stays calibrated and reliable over time. Whether you're replacing a worn out probe or keeping a spare on hand, this component is essential for consistent monitoring in hydroponic and nutrient tank environments. Key

Shine & Life

Small to medium grow areas

The Garden HighPro TT Fan – 150mm (6") delivers powerful

The SureAir Neutralizer Breeze Fan (UK Plug) is a compact

and contaminants

Long lamp life with stable output

Multi-part nutrient programs (A+B

This medium is pre-rinsed

this system delivers a continuous supply of clean

making it a reliable choice for large-scale ventilation where flexibility and noise reduction are key

windowsill growing

This version prevents the overaccumulation of Ca/Mg that often occurs when using regular nutrients with hard water