Waterproof construction allows full submersion for reliable pH measurement in liquids
Replaceable tip design enables easy maintenance and longer product lifespan
Calibratable for precise and repeatable readings
Compact and portable for convenient on-the-go testing
Compatible with select Bluelab meters and controllers for integrated use
Summarized by Shop
Perfect for quick and easy pH and temperature readings direct from your solution. The Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. A key parameter that affects nutrient uptake is whether your solution is acid or alkaline. We measure this in pH. Teamed w