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Zero-Oxygen Solution Electrolytic Solution and Membrane Cap Kit for Dissolved Oxygen Meter 2 Bottles 30ml Electrolyte Solution and 1 Bottle 50ml Zero Oxygen Solution and 6 Membrane Cap
KWD 4.500
5000μS/cm Calibration Solution Conductivity Standard Buffer Solution for Truncheon Salinity Meter 4 Bottles of 50Ml
KWD 5.500
pH Meter for Water Hydroponics Supplies - pH Up and Down Tester Digital PPM Meter EC Meter Combo for Home Growers – Accurate pH Tester TDS EC Reader for Hydroponics
KWD 11
Smart Dissolved Oxygen Meter Kit with Spare Components Electronic Portable DO Tester with Reinforced Polarographic Probe for Aquaculture Fish Tank Wastewater Treatment
KWD 30
1413μS/cm Calibration Solution Conductivity Standard Buffer Solution for EC Tester Hydroponics Meter 4 Bottles of 50mL
KWD 5.500
pH Calibration Solution pH7.00/4.00/10.01 50 mL Each, with pH Probe Storage Solution 2 Bottels 10mL Each, pH Calibration Buffer Solution and pH Electrode Solution for pH Meter
KWD 5.500
-8%
Pool Salt pH Tester Upgrade pH and ORP Meter Accurate Consistent Pool Water for pH, Salinity, ORP, TDS, EC, Temp Tester pH PPM and EC Tester for Hydroponics, Aquariums, Pool, Spa
KWD 11.500
Digital Conductivity Tester (EC, ppm 500, ppm700, CF) PPM and EC Meter Truncheon Nutrient Meter with Light Indicator for Hydroponics Gardening, Hydroponics Growing Tent and Reservoir
KWD 13.500
Digital Dissolved Oxygen Meter Portable Dissolved Oxygen Test Kit with 3.6ft Electrode for Ponds Aquarium Aquaculture Do Meter for Water Fish Tank with Measuring Range 0.0‑40.0 Mg/L
KWD 29
Hydrogen Water Tester pH Meter 6 in 1 pH H2 ORP TDS EC Temp Tester Dissolved Hydrogen Tester for Hydrogen Water Bottle pH and ORP Meter for Household Drinking Water Hydroponics Pool
KWD 12
UIUZMAR Digital pH Meter pH TDS EC Meter for Hydroponic Nutrient Solution pH and EC Meter with LCD Display TDS Water Tester pH PPM Meter for DWC Setup Aeroponic Growing Tent Indoor Plant Grow
KWD 10
UIUZMAR pH Tester for Food Digital pH Meter for Sourdough Starter and Dough Spear Sensor Food pH Kit Works for Fermented Sausages Cheese Sushi Rice Canned Jam Soapmaking and Other Solid Semi-Solid
KWD 16
Smart Pool Monitor, Floating Salt and pH Meter 5 in 1 pH Salinity TDS EC Temp Meter for Saltwater Pool Hot Tub Spa Solar Charged Floating Salt Monitor
KWD 12.500
-13%
pH Meter for Hydroponics EC pH Monitor pH ppm Tester for hydroponics System Simultaneous Measurement of pH EC TDS Temperature for DWC Setup Hydro Reservoir Tank, Aeroponic Garden
KWD 10.500
Soil pH Meter Soil Moisture Meter 8 in 1 Fertility Salt Moisture pH EC Light Humidity Temp Accurate Soil pH Test Kit for Garden and Hydroponics
KWD 20.500
UIUZAMR pH Meter for Hydroponics PPM EC Meter for Water Hydroponics Simultaneously Display Tester for Plant Nutrients pH Conductivity Meter for Reservoir Tank Hydroponic Water System
KWD 10
pH 7.00 and pH 4.00 Calibration Fluid, 500ml Tester pH 7.00/4.00 Buffer Solution Each, pH Meter Calibration Solution with Container (30ml*2) for pH Meter, pH Tester, pH Probe, pH Electrode
KWD 8.500
UIUZMAR Water pH Meter Digital pH Tester with pH Test Strips Color Display for Aquarium, Hydroponics, Home Brew, Measure pH Value of Swimming Pool, Drinking Water, Pond, Spa, Hot Tub, Kombucha
KWD 6
