• pH Meter for Water 4 in 1 pH EC TDS Temp Meter for Hydroponics PPM and EC Water Tester Digital pH PPM Meter for Nutrients Growing Hydroponics Gardening DWC hydroponics System KWD 10.500
• -7% 16 Inch Water Meter Key with 4 Way Multi-functional Water Utilities Key Contractor Grade Valve Shutoff Key Tool for Main Water Meter KWD 6.500 KWD 7
• Pool Water Tester 6 in 1 Digital pH and Salinity Meter for Swimming Pool Hot Tub Hydroponics Aquarium Multi-functional pH Salt ORP EC TDS Temp Tester Kit KWD 12
• pH Calibration Solution Kit (7.00, 4.00, 10.01) for pH Meter, 50 mL Each, pH Calibration Buffer Solution for Easy Calibration, 4 Bottles pH Buffer Combo KWD 5.500
• Saltwater Aquarium Salinity pH Tester for Reef Aquarium Digital Pool Salt Tester with 35ppt Calibration Solution Measure pH Salt EC TDS Temp 0-150ppt Large Range Salt Meter for Pool, Koi Pond KWD 15
• pH Meter for Water Digital EC and PPM Meter for Hydroponics Nutrient 4 in 1 pH EC TDS Temperature Tester with Large Display for Indoor Plant Grow DWC Setup Aeroponic Pool Aquarium KWD 15
• 1413 μS/cm Calibration Solution 50mL Conductivity Standard Calibration Solution Kit 4-Pack for EC TDS Meter Hydroponics Conductivity Tester KWD 5
• Truncheon Nutrient Meter for Hydroponic Digital Conductivity Tester for Water EC and TDS Meter with EC CF 500ppm 700ppm for Indoor Plant Grow Hydro Reservoir Tank Aeroponic Garden KWD 23.500
• pH Meter and Salinity Meter Combo for Saltwater Pool 6 in 1 pH Salt SG EC TDS Temp Meter for Reef Aquarium Seawater Tank Koi Fish Pond PPM and pH Water Tester for Hydroponics Nutrients Growing KWD 9.500
• -16% Digital Salinity Tester for Salt Water - Aquarium Salinity Meter with ATC, IP67 Waterproof, 0-200 PPT Large Range Multi-Parameter Tester for Seawater, Fish Tank, Hydroponics KWD 10.500 KWD 13