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Hanna GroLine pH Meter With Case, HI98115
$ 70.00 70.0 USD
Hanna GroLine Waterproof Combo pH/EC/TDS Meter, HI9814
$ 299.99 299.99 USD
Hanna GroLine Waterproof pH Tester With Case, HI98118
$ 99.95 99.95 USD
Hanna Instruments Portable pH/EC/TDS/Temperature Meter With CAL Check, HI9813-61
$ 279.95 279.95 USD
Hanna GroLine Direct Soil pH Electrode for HI9814
$ 215.00 215.0 USD
Hanna Direct Soil pH Tester, HI981030
$ 150.00 150.0 USD
Hanna GroLine Direct EC/Temp Soil Tester, HI98331
$ 159.99 159.99 USD
Hanna pH GroChek Water Res. pH Indicator, HI981401N
$ 130.00 130.0 USD
Hanna Clean & Cal Check Solution
$ 2.00 2.0 USD
Clear Plastic Joint Tube
$ 0.00 0.0 USD
Method Seven Classic Clip-On - HPS
$ 60.00 60.0 USD
Method Seven Classic LED Clip-On
$ 60.00 60.0 USD
Method Seven Cultivator Blurple LED Plus
$ 60.00 60.0 USD
Method Seven Aviator LED Clip-On
$ 60.00 60.0 USD
Sierra Natural Science 217C Spider Mite Control Concentrate
$ 0.00 0.0 USD
NanoLux DTU-APP Data Transfer Unit
$ 225.00 225.0 USD
NanoLux DTU Data Transfer Unit
$ 80.00 80.0 USD
NanoLux DE Socket Assembly Arm
$ 56.00 56.0 USD
NanoLux DE High Pressure Sodium Lamp 600 Watt
$ 0.00 0.0 USD
NanoLux DE-OG Summit Series Lighting Fixture, 1,000 Watt
$ 336.00 336.0 USD