Categories
- Organic Gardening+
- Natural Pest Control+
- Growing Indoorsโ
- Healthy Living+

Replacement Probe
Out of stock
Sensor probes do NOT last forever and will eventually fail. This pHย Electrode is gel filled making it maintenance free! Best of all, it’s designed for use with ALL Bluelab pens,ย meters and monitors.
Features:
โข Fully waterproof, submersible to 10 meters
โข Quality BNC connection
โข Tough polypropylene barrel
โข Heavy duty thick wall glass stem
โข Warranty: 6-months
Instruction Manualย (PDF)
Grower’s Tip:
It is advised that probes be replaced every 12 months, especially when measuring in hydroponic solutions.