Bluelab Replacement Parts
Genuine Bluelab Replacement Parts
Keep your Bluelab instruments performing at lab-grade accuracy with genuine OEM replacement parts. Designed specifically for Bluelab pH meters, EC/TDS meters, conductivity probes, and nutrient controllers, these parts ensure your equipment maintains peak calibration and measurement precision.
- Genuine Bluelab OEM components — no compatibility guesswork
- Compatible with Bluelab Combo Meter, Guardian Monitor, Truncheon, and more
- Probes, electrodes, calibration solutions, and accessories
- Extend instrument lifespan and protect your investment
- Fast fulfillment for minimal downtime in your grow or lab environment
Whether you need a replacement pH probe, conductivity probe, or calibration solution, Get Ultimate Now stocks the parts you need to keep your Bluelab devices running accurately.

