Water Control, pH and Conductivity - pH and TDS Meters and Replacement Probes

  Bluelab Guardian Monitor - NEW-OLD STOCK Product Features / Benefits 24/7 continuous monitoring of pH, EC and temperat...

Bluelab Conductivity Pen - NEW-OLD STOCK   Product Features / Benefits Fully waterproof, not just water-resistant Selectable measurement u...

Bluelab Commercial Truncheon Nutrient Meter - NEW-OLD STOCK Product Features / Benefits Robust and reliable construction for lon...

  Nutradip Grow Boss 2.0 - pH, PPM, & Temperature Monitor The Nutradip Grow Boss is a nutrient monitoring system that assists growers in achie...

Bluelab Connect Stick 2 Product Features / Benefits Receive wireless data from Bluelab Connect devices to your computer...

  Bluelab Guardian Monitor Connect Inline Product Features / Benefits 24/7 monitoring of pH, EC and temperature directly...

Bluelab Truncheon Nutrient Meter - NEW-OLD STOCK Product Features / Benefits Robust and reliable construction for long-lasting val...

Nutradip Portable Nutrient (ppm) Meter with Probe and Solution Nutradip's portable nutrient meter provides instant and accurate readings, in PPM, ...

  Nutradip Portable pH Meter with Probe and Solution Nutradip's portable pH monitor provides instant and accurate pH readings every time.  It can ...