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Ready. Set. Test
Hurry! Grab top-notch testing equipment at a fantastic value
Everyday Essentials Under $50
HI38001-10
Sulfate (Low and High Range) Test Kit Replacement Reagents (100 tests)
39.99
false
HI3846-100
Chromium Test Kit Replacement Reagents (100 tests)
32.99
false
HI70006C
pH 6.86 Calibration Buffer (25 x 20 mL) Sachets
44.99
false
HI93701-F
Free Chlorine Liquid Reagents (300 tests)
39.99
false
HI7004-023
GroLine pH 4.01 Calibration Buffer (230 mL)
19.99
false
HI7007-023
GroLine pH 7.01 Calibration Buffer (230 mL)
19.99
false
HI50036P
Quick Calibration Solution for GroLine pH and EC Meters (25 x 20 mL sachets)
44.99
false
HI740200
pH Electrode Storage Cap with Compression Fitting (5 pcs)
14.99
false
HI7010-050
GroLine pH 10.01 Calibration Buffer (500 mL)
24.99
false
Must-Haves under $150
HI145-00
T-Shaped Celsius Thermometer (125mm)
64.99
false
HI3887
Swimming Pool Chemical Test Kit
54.99
false
HI98115
GroLine Hydroponics pH Tester
59.99
false
HI700
Freshwater Low Range Ammonia Colorimeter - Checker® HC
67.99
false
HI709
High Range Manganese Colorimeter Checker® HC
67.99
false
HI771
Ultra High Range Total Chlorine Colorimeter Checker® HC
67.99
false
HI721
Iron Colorimeter - Checker® HC
67.99
false
HI733
High Range Ammonia Colorimeter - Checker® HC
67.99
false
HI727
Color of Water Colorimeter - Checker® HC
67.99
false
Top picks under $300
HI9814
GroLine Waterproof Portable pH/EC/TDS Meter
299.99
false
HI98131
GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester
214.99
false
Most popular under 500
HI981412
GroLine pH Dosing System
499.99
false
HI981413
GroLine Nutrient Dosing System
499.99
false
HI981520-01
Marine Monitor pH/Salinity/Temperature
299.99
false
HI9814K
GroLine Waterproof Portable pH/EC/TDS/Temperature Hydroponics Meter Kit
459.99
false
HI981421-01
GroLine Monitor for Hydroponic Nutrients with Inline Probe
499.99
false
Stretch your budget
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