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Testing & Monitoring

Air Filter Size Selector


Total Items (25)
Extech EC500 Exstik 5 in 1 pH/EC/TDS/Salinity/Temperature Meter
Extech EC500 Exstik 5 in 1 pH/EC/TDS/Salinity/Temperature Meter
AS LOW AS
$189.99
Hanna HI1001 Plastic In-Line Electrode
Hanna HI1001 Plastic In-Line Electrode
AS LOW AS
$189.99
Hanna HI3812 Hardness 100 Chemical Test Kit
Hanna HI3812 Hardness 100 Chemical Test Kit
AS LOW AS
$59.99
Hanna HI3815 Chloride 110 Chemical Test Kit
Hanna HI3815 Chloride 110 Chemical Test Kit
AS LOW AS
$62.99
Hanna HI3824 Ammonia Fresh Water 25 Chemical Test Kit
Hanna HI3824 Ammonia Fresh Water 25 Chemical Test Kit
AS LOW AS
$54.99
Hanna HI7041S 30ML Dissolved Oxygen Electrolyte Solution for Refillable Electrode
Hanna HI7041S 30ML Dissolved Oxygen Electrolyte Solution for Refillable Electrode
AS LOW AS
$44.99
Hanna HI93701-03 300 Test Free Chlorine Reagent Kit for Chemical Test
Hanna HI93701-03 300 Test Free Chlorine Reagent Kit for Chemical Test
AS LOW AS
$105.99
Hanna HI93746-01 100 Test Iron Low Range Reagents
Hanna HI93746-01 100 Test Iron Low Range Reagents
AS LOW AS
$71.99
Hanna HI98103 1 Checker 1270 Probe Pocket pH Tester
Hanna HI98103 1 Checker 1270 Probe Pocket pH Tester
AS LOW AS
$69.99
Hanna HI98121 pH/ORP Combo Pocket Multi-Purpose Meter
Hanna HI98121 pH/ORP Combo Pocket Multi-Purpose Meter
AS LOW AS
$221.99
Hanna HI98127 4 pHEP Digital pH and Temperature 0-14pH Waterproof ATC Pocket pH Tester
Hanna HI98127 4 pHEP Digital pH and Temperature 0-14pH Waterproof ATC Pocket pH Tester
AS LOW AS
$123.99
Hanna HI98129 The New Combo pH TDS Conductivity and Temperature Pocket Multi-Purpose Meter
Hanna HI98129 The New Combo pH TDS Conductivity and Temperature Pocket Multi-Purpose Meter
AS LOW AS
$189.99
Hanna HI98301 DiST®1 Waterproof TDS Tester (0-2000 ppm)
Hanna HI98301 DiST®1 Waterproof TDS Tester (0-2000 ppm)
AS LOW AS
$87.99
Hanna HI98304 Dist-4 0-19.99 mS/CM ATC 0.01 mS/CM Resolution Pocket Conductivity Meter
Hanna HI98304 Dist-4 0-19.99 mS/CM ATC 0.01 mS/CM Resolution Pocket Conductivity Meter
AS LOW AS
$84.99
Hanna HI98308 0.1-99.9 µS/CM Pure Water Pocket Conductivity Meter
Hanna HI98308 0.1-99.9 µS/CM Pure Water Pocket Conductivity Meter
AS LOW AS
$89.99
Myron L UltraPen PT1 - Waterproof Conductivity / TDS / Salinity / Temp Pen
Myron L UltraPen PT1 - Waterproof Conductivity / TDS / Salinity / Temp Pen
AS LOW AS
$214.99
Myron L UltraPen PT2 - pH and Temperature Pen
Myron L UltraPen PT2 - pH and Temperature Pen
AS LOW AS
$234.99
Myron L 4PII Ultrameter
Myron L 4PII Ultrameter
AS LOW AS
$982.99
Myron L 512T10 0-10000 PPM DS Conductivity Meter
Myron L 512T10 0-10000 PPM DS Conductivity Meter
AS LOW AS
$283.99
Myron L 512T5 0-5000 PPM DS Conductivity Meter
Myron L 512T5 0-5000 PPM DS Conductivity Meter
AS LOW AS
$274.99
Myron L 512T5D PoolMeter - 0-5000ppm/442 - 0-5000 ppm/NaCl
Myron L 512T5D PoolMeter - 0-5000ppm/442 - 0-5000 ppm/NaCl
AS LOW AS
$299.99
Myron L 532M1 0-5000 MS DS Conductivity Meter
Myron L 532M1 0-5000 MS DS Conductivity Meter
AS LOW AS
$412.99
Myron L 532T1 0-5000 PPM DS Conductivity Meter
Myron L 532T1 0-5000 PPM DS Conductivity Meter
AS LOW AS
$477.99
Myron L 6PIIFCE Ultrameter
Myron L 6PIIFCE Ultrameter
AS LOW AS
$1,119.99
Myron L EP10 0-10000 MS DS Conductivity Meter
Myron L EP10 0-10000 MS DS Conductivity Meter
AS LOW AS
$444.99