Total Hardness Chemical Test Kit – HI3812$70.46 Original price was: $70.46.$59.88Current price is: $59.88.Add to Cart
Dispensing Tube with Fitting for Titrator – HI900280S$211.35 Original price was: $211.35.$179.65Current price is: $179.65.Add to Cart
Fluoride Low Range Reagents (100 tests) – HI93729-01$77.26 Original price was: $77.26.$65.67Current price is: $65.67.Add to Cart
23 g/L Sodium Standard Solution (500 mL) – HI7086L$63.64 Original price was: $63.64.$54.09Current price is: $54.09.Add to Cart
Bromine Portable Photometer with CAL Check – HI97716$530.26 – $817.11Price range: $530.26 through $817.11Select Options
Pool Line ORP Controller and Dosing Pump – Meter, probe and in-line mounting kit – BL101-10$1,090.85 Original price was: $1,090.85.$927.22Current price is: $927.22.Add to Cart
Pump Calibration Standard for Formol Number Mini Titrator – HI84533-55$68.18 Original price was: $68.18.$57.95Current price is: $57.95.Add to Cart
HI70032P 1382 mg/L (ppm) TDS Calibration Solution (25 x 20mL)$72.72 Original price was: $72.72.$61.81Current price is: $61.81.Add to Cart
Nickel Low-Range Portable Photometer-kit$961.31 Original price was: $961.31.$817.11Current price is: $817.11.Add to Cart
Calcium and Magnesium Portable Photometer with CAL Check – HI97752$530.26 – $817.11Price range: $530.26 through $817.11Select Options
HI6007 pH 7.010 Millesimal Calibration Buffer (500 mL)$77.26 Original price was: $77.26.$65.67Current price is: $65.67.Add to Cart
opdo Waterproof Optical Dissolved Oxygen Meter with Probe- HI98198$3,988.41 Original price was: $3,988.41.$3,390.16Current price is: $3,390.16.Add to Cart
Phosphate Test Kit Replacement Reagents (50 tests) – HI3833-050$31.81 Original price was: $31.81.$27.04Current price is: $27.04.Add to Cart
Waterproof portable dissolved oxygen and BOD meter with HI764073 probe – 4 meter cable$1,681.72 Original price was: $1,681.72.$1,429.46Current price is: $1,429.46.Add to Cart
Cloud Enabled Swimming Pool Controller with Built-in Dosing Pumps with Panel Mounted Flow Cell Kit$3,988.41 Original price was: $3,988.41.$3,390.16Current price is: $3,390.16.Add to Cart
Replacement Tungsten-Halogen Lamp for HI801 – HI7408014$234.08 Original price was: $234.08.$198.97Current price is: $198.97.Add to Cart
GroLine Nutrient dosing system with HI30033 conductivity probe, panel mounted flow cell, fittings and tubing – HI981413-20$1,352.20 Original price was: $1,352.20.$1,149.37Current price is: $1,149.37.Add to Cart
HI76407 Polarographic Dissolved Oxygen Probe with 4 meter cable$531.78 Original price was: $531.78.$452.01Current price is: $452.01.Add to Cart
Total Chlorine Ultra Low-Range Checker HC® Calibration Check Set – HI761-11$31.81 Original price was: $31.81.$27.04Current price is: $27.04.Add to Cart
HI7071L Electrolyte Fill Solution, 3.5M KCl + AgCl (500 mL)$177.27 Original price was: $177.27.$150.68Current price is: $150.68.Add to Cart
pH Photometer Reagents (300 tests) – HI93710-03$150.00 Original price was: $150.00.$127.50Current price is: $127.50.Add to Cart
EPA Compliant Benchtop Turbidity and Chlorine Meter – HI83414$5,033.81 Original price was: $5,033.81.$4,278.74Current price is: $4,278.74.Add to Cart
HI7084M 58.4 g/L NaCl Standard Solution (230 mL Bottle)$43.75 Original price was: $43.75.$37.18Current price is: $37.18.Add to Cart
HI6010 pH 10.010 Millesimal Calibration Buffer (500 mL)$77.26 Original price was: $77.26.$65.67Current price is: $65.67.Add to Cart
Desiccant for HI903 – HI900550$152.26 Original price was: $152.26.$129.43Current price is: $129.43.Add to Cart
HI5008-01 pH 8.00 Technical Calibration Buffer (1 L)$99.99 Original price was: $99.99.$84.99Current price is: $84.99.Add to Cart
Hydrogen Peroxide Reagent for Formol Number Mini Titrator – HI84533-60$68.18 Original price was: $68.18.$57.95Current price is: $57.95.Add to Cart
Calcium Hardness Checker® HC Reagents (25 Tests) – HI720-25$24.43 Original price was: $24.43.$20.77Current price is: $20.77.Add to Cart
Free Chlorine Checker® Reagents (25 Tests) – HI701-25$19.32 Original price was: $19.32.$16.42Current price is: $16.42.Add to Cart
Iron and Manganese Low-Range Portable Photometer with CAL Check – HI97742$530.26 – $817.11Price range: $530.26 through $817.11Select Options
HI7092L Pretreatment oxidizing solution (500 mL)$57.39 Original price was: $57.39.$48.77Current price is: $48.77.Add to Cart
Burette Assembly for HI903, 5 mL – HI900505$2,147.61 Original price was: $2,147.61.$1,825.46Current price is: $1,825.46.Add to Cart
30 g/L Sodium Chloride Standard Solution, 500 mL – HI7081L$46.02 Original price was: $46.02.$39.12Current price is: $39.12.Add to Cart
Glass Body Calomel Reference Electrode – HI5412$324.98 Original price was: $324.98.$276.23Current price is: $276.23.Add to Cart
Cuvettes and Glycerol for Food Color Grading Portable Photometers – HI93703-56$265.89 Original price was: $265.89.$226.01Current price is: $226.01.Add to Cart
pH Analog Controller with Dual Output and Self-Diagnostic Test – HI8711$1,511.28 Original price was: $1,511.28.$1,284.59Current price is: $1,284.59.Add to Cart
pH 1.000 Millesimal Calibration Buffer Sachets (25 x 20mL) – HI60001-02$120.45 Original price was: $120.45.$102.38Current price is: $102.38.Add to Cart
Phosphorus Portable Photometer with CAL Check – HI97706$530.26 – $817.11Price range: $530.26 through $817.11Select Options
Refillable Double Junction pH Electrode with BNC Connector For Fluoride Applications – HI1143B$579.51 Original price was: $579.51.$492.59Current price is: $492.59.Add to Cart
Silver Nitrate 0.02M, 1L – HI70448$91.48 Original price was: $91.48.$77.76Current price is: $77.76.Add to Cart
HI8086L 23 g/L Na+ Standard Solution in FDA bottle (500 mL)$72.72 Original price was: $72.72.$61.81Current price is: $61.81.Add to Cart
AmpHel® Flat-tip pH Electrode – Low Temperature, 5m Cable$715.87 Original price was: $715.87.$608.49Current price is: $608.49.Add to Cart
Refillable pH Electrode with Side Arm Construction and BNC Connector – HI1135B$636.33 Original price was: $636.33.$540.88Current price is: $540.88.Add to Cart
HI7039L 5000µS/cm Conductivity Standard (500 mL Bottle)$36.37 Original price was: $36.37.$30.91Current price is: $30.91.Add to Cart
Fluoride ISE 2 ppm Standard with TISAB II – HI4010-12$177.27 Original price was: $177.27.$150.68Current price is: $150.68.Add to Cart
Oxygen Scavengers Reagents (50 tests) – HI96773-01$140.90 Original price was: $140.90.$119.77Current price is: $119.77.Add to Cart
Compact Magnetic Mini-Stirrers with Electrode Holder – HI181-Charcoal$240.90 Original price was: $240.90.$204.77Current price is: $204.77.Add to Cart
Nitrate Reagents (100 tests) – HI93728-01$172.72 Original price was: $172.72.$146.82Current price is: $146.82.Add to Cart
Burette Assembly, 25 mL – HI900125$2,102.16 Original price was: $2,102.16.$1,786.83Current price is: $1,786.83.Add to Cart
GroLine pH 4.01 Calibration Buffer (230 mL) – HI7004-023$31.81 Original price was: $31.81.$27.04Current price is: $27.04.Add to Cart
GroLine 5, 000µS/cm Conductivity Standard with Certificate (120 mL bottle) – HI7039-012$17.05 Original price was: $17.05.$14.49Current price is: $14.49.Add to Cart
HI7061M General Purpose Cleaning Solution (230 mL)$31.81 Original price was: $31.81.$27.04Current price is: $27.04.Add to Cart
Chlorine Dioxide (Rapid) Photometer with CAL Check – HI97779$530.26 – $817.11Price range: $530.26 through $817.11Select Options
PEI body, single junction, gel filled, ORP/temperature probe with quick connect – HI36203$479.52 Original price was: $479.52.$407.59Current price is: $407.59.Add to Cart
Optical Dissolved Oxygen Probe for HI6421 – HI7641133$1,579.46 Original price was: $1,579.46.$1,342.54Current price is: $1,342.54.Add to Cart
Nickel Low Range CAL Check™ Standards – HI97740-11$386.34 Original price was: $386.34.$328.39Current price is: $328.39.Add to Cart
Lead/Sulfate Half-Cell Ion-Selective Electrode (ISE) – HI4012$2,113.52 Original price was: $2,113.52.$1,796.49Current price is: $1,796.49.Add to Cart
Portable pH/mV Meter – HI8424$874.95 Original price was: $874.95.$743.71Current price is: $743.71.Add to Cart
Iron (Fe²⁺ & Fe³⁺) High Range Checker Disc Chemical Test Kit – HI38041$181.81 Original price was: $181.81.$154.54Current price is: $154.54.Add to Cart
pH Test Kit Replacement Reagents (300 Tests) – HI38058-100$43.75 Original price was: $43.75.$37.18Current price is: $37.18.Add to Cart
Pump Calibration Standard for Titratable Acidity in Vinegar Mini Titrator (120 mL)$68.18 Original price was: $68.18.$57.95Current price is: $57.95.Add to Cart
GroLine Monitor for Hydroponic Nutrients – HI981421-Threaded probe for insertion mounting$1,090.85 Original price was: $1,090.85.$927.22Current price is: $927.22.Add to Cart
Sharp Tip Penetration Thermistor Probe with Handle – HI762PWL$184.09 Original price was: $184.09.$156.48Current price is: $156.48.Add to Cart
HI5005 pH 5.00 Technical Calibration Buffer (500 mL)$68.18 Original price was: $68.18.$57.95Current price is: $57.95.Add to Cart
pH 4.01 Technical Calibration Buffer Sachets (25 x 20mL) – HI50004-02$99.99 Original price was: $99.99.$84.99Current price is: $84.99.Add to Cart
Calibration Check Key at 70°C – HI762070C$65.90 Original price was: $65.90.$56.01Current price is: $56.01.Add to Cart
Stirrer Stand for HI902C Titrator – HI900320$193.17 Original price was: $193.17.$164.20Current price is: $164.20.Add to Cart
Cyanide Reagents (100 tests) – HI93714-01$190.89 Original price was: $190.89.$162.26Current price is: $162.26.Add to Cart
Replacement Probe for HI98194 with 4m (13′) cable$2,386.23 Original price was: $2,386.23.$2,028.29Current price is: $2,028.29.Add to Cart
HI7006L pH 6.86 Calibration Solution (500 mL)$36.37 Original price was: $36.37.$30.91Current price is: $30.91.Add to Cart
CAL Check Cuvette Kit for HI83303 Aquaculture Photometer – HI83303-11$343.17 Original price was: $343.17.$291.69Current price is: $291.69.Add to Cart
HI1000 Series Process Digital pH Probe$326.46 – $361.23Price range: $326.46 through $361.23Select Options
Fluoride ISE 1000 ppm Standard – HI4010-03$179.53 Original price was: $179.53.$152.60Current price is: $152.60.Add to Cart
HI83305-11 CAL Check Cuvette Kit for HI83305 Boiler and Cooling Tower Photometer$343.17 Original price was: $343.17.$291.69Current price is: $291.69.Add to Cart
Shockproof Rubber Boot (Blue) – HI710027$72.72 Original price was: $72.72.$61.81Current price is: $61.81.Add to Cart
Fluoride Half-Cell Ion Selective Electrode (ISE) – FC301B$1,386.29 Original price was: $1,386.29.$1,178.34Current price is: $1,178.34.Add to Cart
EC/Resistivity Probe for HI6321 – HI7631233$1,124.94 Original price was: $1,124.94.$956.20Current price is: $956.20.Add to Cart
Double Junction pH Sensor for HI9829 Multiparameter Portable Meter – HI7609829-0$370.44 Original price was: $370.44.$314.88Current price is: $314.88.Add to Cart
Ammonia ISE 1000 ppm Standard – HI4001-03$179.53 Original price was: $179.53.$152.60Current price is: $152.60.Add to Cart
Silver/Sulfide Half-Cell Ion-Selective Electrode (ISE) – HI4015$1,681.72 Original price was: $1,681.72.$1,429.46Current price is: $1,429.46.Add to Cart
Portable Photometer for Determination of Peroxide Value in Oils – HI83730-02$1,783.99 Original price was: $1,783.99.$1,516.39Current price is: $1,516.39.Add to Cart
Nitric Acid Solution 1.5M, 500 mL – HI70427$52.27 Original price was: $52.27.$44.43Current price is: $44.43.Add to Cart
Iron High Range Reagents (100 tests) – HI93721-01$57.95 Original price was: $57.95.$49.26Current price is: $49.26.Add to Cart
HI76407 Polarographic Dissolved Oxygen Probe with 20m cable$965.86 Original price was: $965.86.$820.97Current price is: $820.97.Add to Cart
Hydrogen Peroxide Chemical Test Kit – HI3844$174.99 Original price was: $174.99.$148.74Current price is: $148.74.Add to Cart
HI981412 GroLine pH Dosing System-Meter, probe and panel mounted flow cell kit$1,352.20 Original price was: $1,352.20.$1,149.37Current price is: $1,149.37.Add to Cart
Marine Nitrate High Range Checker HC Calibration Check Set – HI782-11$46.02 Original price was: $46.02.$39.12Current price is: $39.12.Add to Cart
HI70663L Cleaning Solution for Soil Deposits (500 mL)$77.26 Original price was: $77.26.$65.67Current price is: $65.67.Add to Cart
Free Chlorine Test Kit Replacement Reagents (50 tests) – HI3831F-050$28.97 Original price was: $28.97.$24.63Current price is: $24.63.Add to Cart
pH/ORP/ISE Multiparameter Benchtop Meter – HI6222-02$2,750.00 Original price was: $2,750.00.$2,337.50Current price is: $2,337.50.Add to Cart
Marine Phosphate Ultra Low Range Checker® HC – HI774$129.54 Original price was: $129.54.$110.11Current price is: $110.11.Add to Cart
DiST 4 Waterproof EC Tester (0.00-20.00 mS/cm) – HI98304$136.36 Original price was: $136.36.$109.09Current price is: $109.09.Add to Cart
Nitrite Chemical Test Kit – HI3873$99.99 Original price was: $99.99.$84.99Current price is: $84.99.Add to Cart
Spare Electrode for PICCOLO® plus pH Tester – HI1295$179.53 Original price was: $179.53.$152.60Current price is: $152.60.Add to Cart
HI6068 pH 6.862 Millesimal Calibration Buffer (500 mL)$77.26 Original price was: $77.26.$65.67Current price is: $65.67.Add to Cart