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.Batteries for pH/TDS pen or Thirsty Light 12880 S/ cm conductivity solution 1500 ppm CAL SOLUTION 8oz
1500 ppm Calibration Solution 1 qt 1500PPM Solution, 230ml 2-Way Moisture/pH Meter
1500PPM Solution, 230ml
Store Price $15.99
2-Way Moisture/pH Meter
Store Price $7.95
60ml SYRINGE/PLASTIC NEEDLE KIT ACTIVE AIR 3 WAY METER BL 4.0 250ml CAL SOLUTION
ACTIVE AIR 3 WAY METER
Store Price $9.95
BL 4.0 250ml CAL SOLUTION
Store Price $7.78
BLUE LAB 4.0 CALIBRATION SOLUTION 500ML BLUE LAB 7.0 CALIBRATION SOLUTION 500ML BLUELAB 7.0 250ml CAL SOLUTION
BLUELAB COMBO METER Bluelab Grower's Toolbox-Limited Edition Bluelab pH meter with probe
BLUELAB COMBO METER
Store Price $308.00
Bluelab pH meter with probe
Store Price $210.00
BLUELAB pH PEN BLUELAB ppm PEN Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
BLUELAB pH PEN
Out The Door! $100.00
BLUELAB ppm PEN
Msrp $94.00
BLUELAB SOIL PH PEN Bluelab Truncheon Champ pH Tester
BLUELAB SOIL PH PEN
Our Price: $185.00
Bluelab Truncheon
Store Price $140.00
Champ pH Tester
Store Price $62.95
CHECKER pH1 TESTER Commercial Grade Combo pH/EC/TDS/Temp Meter Digital Moisture Meter
CHECKER pH1 TESTER
Store Price $41.99
Digital Moisture Meter
Our Price: $11.99
Digital pH Meter Digital Soil Thermometer DiST 1 TDS Tester
Digital pH Meter
Our Price: $13.99
Digital Soil Thermometer
Our Price: $14.45
DiST 1 TDS Tester
Store Price $77.95
DiST 5 EC/TDS Meter EC65 Waterproof Tester Electrode Cleaner Twin Pack, 2x8 oz
DiST 5 EC/TDS Meter
Store Price $140.99
EC65 Waterproof Tester
Store Price $80.95
Gro'chek replacement probe for HI9813-6 GroChek EC Electrode GroChek EC Monitor
GroChek EC Electrode
Store Price $57.95
GroChek EC Monitor
Store Price $114.95
GroChek EC Tester GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe GroChek Hanna pH Indicator
GroChek EC Tester
Store Price $115.95
GroChek Hanna pH Indicator
Store Price $119.95
GroChek Hanna pH/EC/TDS/C/PPT Pocket Tester GroChek pH & TDS Combo Continuous Reading Meter GroChek pH Tester
GroChek pH Tester
Store Price $113.95
GroChek pH/EC/TDS Meter GroChek pH/EC/TDS/C Meter w/Cal-Check Feature GroChek pH/EC/TDS/Temp. Combo
GroChek pH/EC/TDS Meter
Store Price $249.95
GroChek replacement probe for HI9813 GroChek replacement probe for HI9813-0 GroChek TDS Tester
GroChek TDS Tester
Store Price $115.95
MA 850 Replacement probe for SM801/SM Milwaukee pH - EC - TDS KIT Nutra-Dip continuous TDS meter
Milwaukee pH - EC - TDS KIT
Store Price $239.95
Nutra-Dip continuous Tri meter (pH, EC & Temperature) Nutra-Dip continuous Tri meter (pH, PPM (NaCl) & Temperature) Nutradip continuous pH meter
Nutradip continuous pH meter
Store Price $133.95
Nutradip continuous pH/PPM(442)/Temp meter pH 4.01 CAL SOLUTION 8oz pH 4.01 Calibration Solution 1 qt
pH 7.0 CAL SOLUTION 8oz pH 7.0 CAL SOLUTION QT pH Combo Electrode Glass Body - Refillable Temp. Sensor
pH 7.0 CAL SOLUTION 8oz
Our Price: $7.54
pH 7.0 CAL SOLUTION QT
Our Price: $21.50
pH Controller 115V pH Electrode with 2 m (6.6') cable for HI981401N & HI981404N pH Soil Meter
pH Controller 115V
Store Price $195.95
pH Soil Meter
Store Price $429.95
pHep Probe pH Electrode Rapitest Digital 3-Way Analyzer
pHep
Store Price $66.95
Probe pH Electrode
Store Price $67.99
Rapitest Electronic 4-Way Analyzer Rapitest pH Soil Tester Rapitest Soil Test Kit
Rapitest pH Soil Tester
Our Price: $5.45
Rapitest Soil Test Kit
Our Price: $16.99
Replacement pH Electrode Replacement probe for HI9026 Salinity (NaCI) Calibration solution 30g-l.
Replacement pH Electrode
Store Price $78.99
Replacement probe for HI9026
Store Price $106.95
Soil pH Meter SOIL pH PROBE TDS-3 Handheld TDS meter
Soil pH Meter
Our Price: $240.00
SOIL pH PROBE
Our Price: $110.00
TDS-3 Handheld TDS meter
Store Price $37.00
Waterproof EC/TDS/Temp Combo Meter Waterproof pH/Temperature Meter