Get the lowest prices on Hydro Meters & Testers from Monster Gardens.

Grow Lighting

Nutrients & Additives

Portable Grow Rooms

Grow Room Packages

Cloning & Propagation

Climate Control & HVAC

Fans & Filters

Meters & Testers

Mediums & Amendments

Pots & Saucers

Harvesting & Trimming

Timers & Flip Boxes

Growing Accessories

Plumbing & Irrigation

Pest/Mold/Foliar

Outdoor Gardening

Clearance Products

pH Meters	PPM, EC, TDS Meters	Combination pH/EC Meters
Moisture Meters	CO2 Meters	Calibration and Cleaning Solutions

Meters & Testers EC, PH, PPM