Skip Content

Filter Results By

Brand
  • View MoreView Less
Price
  • View MoreView Less
Shop By

Reagents and Refills

439 Results Found that Include 439 Products 

Results per page: 16 | 32 | 48
Tablet,Reagent,Pk100
Reagent Refill,For Use With 4EVT7
Electrode Cleaning Solution 0.23L
Reagent Refill,Water Hardness
  • LAMOTTE
  • Reagent Refill, Water Hardness
  • Item # 4EWE5
  • Mfr. Model # R-4482-LI-01
  • Reagent Refill, Water Hardness, For Use With LaMotte 4482-LI-02 Water Quality Testing Kit, Includes Reagents...More

Sulfate 4 Reagent PP, 25 ml  100 ct
Tablet,Reagent,Pk100
  • HANNA INSTRUMENTS
  • Tablet, Reagent, Pk100
  • Item # 4KF44
  • Mfr. Model # HI93711-01
  • Reagent Tablet, For Free and Total Chlorine Colorimeter 4KF43, Package Quantity 100

DPD Free CL2 Reagent PP, 10 ml
  • ORBECO
  • DPD Free CL2 Reagent PP, 10 ml
  • Item # 3VXT4
  • Mfr. Model # RP010-0
  • Water Quality Replacement Reagent, For Chlorine Colorimeter 3VXP4, Reagent can also be used with Hach...More

Reagent Refill,Free Chlorine,0.2to3.0PPM
  • LAMOTTE
  • Reagent Refill, Free Chlorine, 0.2to3.0PPM
  • Item # 4EWD1
  • Mfr. Model # 6999A-H
  • Reagent Refill, Free Chlorine, Range 0.2 to 3.0 PPM, For Use With 3308-01 Water Quality Testing Kit, Includes...More

TURBD MSRNG CUVET CLNNG SLTN 2
Reagent Refill,Chlorine,0 to 200 PPM
  • LAMOTTE
  • Reagent Refill, Chlorine, 0 to 200 PPM
  • Item # 4EWE7
  • Mfr. Model # R-4497
  • Reagent Refill, Chlorine, Range 0 to 200 PPM, For Use With 4497-01 Water Quality Testing Kit, Includes...More

Free Chlorine Reagent,Pk100
  • HANNA INSTRUMENTS
  • Free Chlorine Reagent, Pk100
  • Item # 4KF42
  • Mfr. Model # HI93701-01
  • Free Chlorine Reagent, Provides 100 Tests, For Use With Hanna HI93711 Free and Total Chlorine Colorimeter,...More

ELECTRODE FILL SOLUTION,PK 5
  • THERMO SCIENTIFIC
  • ELECTRODE FILL SOLUTION, PK 5
  • Item # 8AEN7
  • Mfr. Model # 900011
  • pH Electrode Filling Solution, For Use With Single Junction Refillable Green and Micro pH Electrodes, ORP...More

Reagent Refill,pH Test Kit,3.0 to 10.5
  • LAMOTTE
  • Reagent Refill, pH Test Kit, 3.0 to 10.5
  • Item # 4EVZ1
  • Mfr. Model # 2218-G
  • Reagent Refill, Precision pH Test Kit, Range 3.0 to 10.5, For Use With 5858-01 Water Quality Testing Kit,...More

Reagent Refill,Ammonia,Range 1 to 8 PPM
  • LAMOTTE
  • Reagent Refill, Ammonia, Range 1 to 8 PPM
  • Item # 4EWD5
  • Mfr. Model # R-3315
  • Reagent Refill, Ammonia, Range 1 to 8 PPM, For Use With 4EVX6, Includes Reagents and Consumables as Supplied...More

DPD Free CL2 Reagent PP, 25 ml,  100 ct
Reagent Refill,QAC Test Kit
  • LAMOTTE
  • Reagent Refill, QAC Test Kit
  • Item # 4EWD4
  • Mfr. Model # R-3043-DR
  • Reagent Refill, QAC Test Kit, For Use With 4EWA1, Includes Reagents and Consumables as Supplied in the...More

DPD Total CL2 Reagent PP, 25 ml,  100 ct
  • LOVIBOND
  • DPD Total CL2 Reagent PP, 25 ml, 100 ct
  • Item # 15F882
  • Mfr. Model # 530130
  • DPD Total CL2 Reagent PP, 25 ml, Reagents and Refills, For Use With Colorimeter, Photometers, Includes Reagent...More

Reagent System,Cl,0 to 4 PPM,PK200
  • LAMOTTE
  • Reagent System, Cl, 0 to 4 PPM, PK200
  • Item # 4EWE3
  • Mfr. Model # R-3670
  • Reagent System, Chlorine, Range 0 to 4 PPM, For Use With Lamotte 3670-01 Free And Total Chlorine Colorimeter,...More

Reagent Refill,Iron,Range 0.5 to 10 PPM
  • LAMOTTE
  • Reagent Refill, Iron, Range 0.5 to 10 PPM
  • Item # 4EWD6
  • Mfr. Model # R-3318
  • Reagent Refill, Iron, Range 0.5 to 10 PPM, For Use With 4447-01 Water Quality Testing Kit, Includes Reagents...More

Reagents-Phosphate Checker, 25pk
  • HANNA INSTRUMENTS
  • Reagents-Phosphate Checker, 25pk
  • Item # 6XWG2
  • Mfr. Model # HI713-25
  • Checker, Adaptation of Standard Method 4500-P E, Range 0.00-2.50, Sensitivity +/- 0.04 ppm, Number of Tests...More

DPD Total CL2 Reagent PP, 10 ml
  • LOVIBOND
  • DPD Total CL2 Reagent PP, 10 ml
  • Item # 3VXT7
  • Mfr. Model # 530120
  • Water Quality Replacement Reagent, For Chlorine Colorimeter 3VXP4, Reagent can also be used with Hach...More

SMART Reagent,Nitrite,0 to 0.8 ppm
  • LAMOTTE
  • SMART Reagent, Nitrite, 0 to 0.8 ppm
  • Item # 4EWA8
  • Mfr. Model # 3650-SC
  • SMART Reagent System, Nitrite Nitrogen (Low Range), Range 0.05 to 0.8 ppm, For Use With LaMotte 1919...More

Reagent Refill,Nitrate,Range 0 to 15 PPM
  • LAMOTTE
  • Reagent Refill, Nitrate, Range 0 to 15 PPM
  • Item # 4EWD9
  • Mfr. Model # R-3354
  • Reagent Refill, Nitrate, Range 0 to 15 PPM, For Use With 4EVX9, Includes Reagents and Consumables as Supplied...More

Free Chlorine Reagent Set CL17 Analyzer
  • LOVIBOND
  • Free Chlorine Reagent Set CL17 Analyzer
  • Item # 15F863
  • Mfr. Model # 530210
  • Free Chlorine Reagent Set CL17 Analyzer, Reagents and Refills, For Use With Colorimeter, Photometers,...More

Ascorbic Acid PP  100 ct
  • LOVIBOND
  • Ascorbic Acid PP 100 ct
  • Item # 15F902
  • Mfr. Model # 541100
  • Ascorbic Acid PP, Reagents and Refills, For Use With Colorimeter, Photometers, Includes Reagent

DPD Free CL2 Reagent PP, 25 ml 1000 ct
Reagent Kit,Free Chlorine,300 Tests
Exstik Refill,PH Meter Solution Kit
  • EXTECH
  • Exstik Refill, PH Meter Solution Kit
  • Item # 3YTH7
  • Mfr. Model # PH113
  • KCL Solution, Application Refill Solution For PH110 Ph Meter Using The Ph115 Electrode, Features Extends The...More

PD250 Reagent Refill, Free Chlorine
  • LOVIBOND
  • PD250 Reagent Refill, Free Chlorine
  • Item # 15F859
  • Mfr. Model # 530141
  • PD250 Reagent Refill, Free Chlorine, Reagents and Refills, For Use With Colorimeter, Photometers, Includes...More

Reagent Refill,Total Chlorine,0.2to3PPM
  • LAMOTTE
  • Reagent Refill, Total Chlorine, 0.2to3PPM
  • Item # 4EWC9
  • Mfr. Model # 6905A-H
  • Reagent Refill, Total Chlorine, Range 0.2 to 3.0 PPM, For Use With 3308-01 Water Quality Testing Kit,...More

Reagent Refill,Alkalinity,0 to 200 PPM
  • LAMOTTE
  • Reagent Refill, Alkalinity, 0 to 200 PPM
  • Item # 4EWE6
  • Mfr. Model # R-4491-DR
  • Reagent Refill, Alkalinity, Range 0 to 200 PPM, For Use With 4491-DR-01 Water Quality Testing Kit, Includes...More

Reagent Refill,Sulfide,0.2 to 20 PPM
  • LAMOTTE
  • Reagent Refill, Sulfide, 0.2 to 20 PPM
  • Item # 4EWD8
  • Mfr. Model # R-3322
  • Reagent Refill, Sulfide, Range 0.2 to 20 PPM, For Use With 4EVX8, Includes Reagents and Consumables as...More

Results per page: 16 | 32 | 48

Stock up on reagents and refills at Grainger to complement your water testing instruments. Find tablet reagents to help measure total and free chlorine; liquid reagent refills to help test water hardness; iron ferro, potassium iodide and other reagents for use with your colorimeter and more. Also find electrode cleaning kits, test refill kits for your nitrite meter and much more. Shop Grainger today for reagents and refills to help maintain adequate supplies.