$299.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Bluelab® OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe Bluelab OnePen one click data capture record, store, categorize and share your measurements in on easy to use app. Unlock the full potential of data with the OnePen. Superior Durability and easy maintenance double-junction pH probe, titanium electrodes, and an IP68 dust and waterproof rating deliver durability, while the replaceable probe and heath indicator simplify maintenance for long lasting performance
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$299.99