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

resulting in faster growth and improved yields

and salad crops

full-cycle grow operations

repeatable nutrient ratios

With a capacity of up to 500 liters per day

Growing Spaces:

Ideal for:Growers who want fast

this propagation light is ideal for indoor gardeners looking to improve rooting success and seedling vitality

Usage: Just pop it up

Airflow Rate: 275m³/hr

It helps bring out the true quality of your genetics

this propagator features seven individual mini trays with clear lids and sits above a reservoir tray to provide automatic watering