Bluelab pH Probe Inline — Replacement pH Probe for Guardian Monitor Inline Keep your inline system readings accurate with the Bluelab pH Probe Inline, the dedicated replacement probe for the Bluelab Guardian Monitor Inline. Built for pressurized dosing lines and continuous measurement, this probe is designed to handle demanding environments while delivering dependable pH performance. With a 3/4” threaded body for secure inline mounting, you can install it in any direction to suit your plumbing layout. The double-junction design helps improve probe durability and stability, while the waterproof construction and KCl-filled storage cap support long probe life and reliable response times. Key Features Compatible replacement for Bluelab Guardian Monitor Inline 3/4” thread for inline mounting Mount in any direction for flexible installation Standard BNC connector for quick connection 3 metre / 9.8 ft cable for easy positioning Double-junction pH probe for durability and consistent readings KCl-filled storage cap to protect and hydrate the probe tip Waterproof construction Pressure rated: 100 psi / 7 bar (ideal for inline dosing systems) Ideal For Inline nutrient dosing systems Pressurized irrigation/manifold setups Growers who want fast, reliable pH monitoring without replacing the full monitor Tip: Always keep the probe tip stored in KCl solution when not in use to maintain response speed and extend probe life.
