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Bluelab pH 4.0 Calibration Solution 500 ml (6/Cs)
$7.77 $11.00
Bluelab Combo Plus Meter - Probe Included
$222.92 $349.00
TNB Naturals pH Up 1lb / 454g (30/Cs)
$11.68 $20.00
TNB Naturals pH Down 1lb / 454g (30/Cs)
SureTest pH Test Strip Kit 5.5 - 8.0
$6.36 $9.99
Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC
$63.64 $119.95
Sure Test Pro EC / TDS Pen
$53.03 $99.99
Sure Test pH Indicator Solution Test Kit 1 oz (24/Cs)
$3.45 $5.95
Sure Test GroGuru Stem w/ 2 Sensors
$254.76 $399.00
Sure Test GroGuru Base w/ Cellular Modem
$318.45 $499.00
Sure Test Commercial Multi-Meter w/ pH Conductivity Probes (DO Probe Sold Separately)
$191.02 $359.95
Sure Test Base Plus pH Pen +/- 0.05 ATC
Sure Test Base pH Pen +/- 0.3
$25.43 $47.99
Soil Savvy™ Soil Test Kit
$22.69 $34.99
Rapitest Soil Test pH N,P,K (6/Cs)
$11.62 $18.49
Rapitest pH Soil Tester (12/Cs)
$3.76 $5.95
Rapitest Digital Soil pH Meter (12/Cs)
$9.50 $14.95
Oakton® EcoTestr™ CTS
$66.83 $105.00
Oakton Waterproof EcoTestr TDS Low
$55.73 $87.95
Oakton Waterproof EcoTestr pH 1
$48.78 $72.95
Milwaukee pH Meter pH600 AQ
$21.17 $33.95
Milwaukee pH Controller
$134.13 $202.95
Milwaukee MW100 Portable pH Meter
$76.91 $115.95
Milwaukee MC720 pH Controller w/ Dosing Pump Kit
$221.38 $338.95
Milwaukee Martini pH55 - pH/Temp Tester
$55.26 $83.95
Milwaukee M10007B - 20 ml Packet 7.01 Buffer Solution Case of 25
$18.05 $28.25
Mad Farmer pH Test Kit
$4.09 $7.00
Mad Farmer pH Control Kit
$9.93 $16.99
Mad Farmer Get Up Quart
$6.43 $10.99
Mad Farmer Get Up 6 Gallon
$84.92 $159.99
Mad Farmer Get Up 2.5 Gallon
$40.87 $69.99
Mad Farmer Get Up 1 Gallon
$17.51 $29.99
Mad Farmer Get Down Quart
Mad Farmer Get Down 6 Gallon
Mad Farmer Get Down 2.5 Gallon
Mad Farmer Get Down 1 Gallon
Luster Leaf Rapitest Digital Moisture Meter
$8.39 $13.49
Luster Leaf Rapitest 4 Way Analyzer (3/Cs)
$23.88 $37.95
HortiCare Nutrient Check PPM
$54.09 $85.95
HM Waterproof EC/TDS/Temp Combo Meter
$48.77 $76.95
HM Digital Waterproof pH Meter
$63.63 $99.95
HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
$30.57 $47.95
HM Digital Replacement Probe for pH
$28.81 $45.95
HM Digital pH Electrode Storage Solution (10/Cs)
$4.46 $7.95
HM Digital pH 80 Meter
$40.12 $62.95
HM Digital pH / TDS / EC / Temp meter
$101.86 $159.95
HM Digital Hydromaster Portable
$176.16 $274.95
HM Digital HydroMaster HM-500
$222.92 $359.00
HM Digital Handheld TDS-3 Tester
$19.05 $36.95
HM Digital Aquapro TDS Water Tester
$22.77 $42.95
HM Digital 1000 PPM Calibration Solution
$4.25 $6.50
