Skip Content

Filter Results By

Brand
Price
Shop By

Reagents and Refills

437 Results Found that Include 437 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page: 16 | 32 | 48
Reagent Refill,Free Chlorine,0.2to3.0PPM
Colorimeter Reagent,Hydro Peroxide,PK100
Reagent Refill,Chlorine,0 to 200 PPM
Reagent Refill,For Use With 4EVT7
Tablet,Reagent,Pk100
DPD Free CL2 Reagent PP,10ml,PK100
Reagent Kit,Free Chlorine,300 Tests
Reagent Kit,Total Chlorine,300 Tests
DPD Free CL2 Reagent PP, 25 ml 1000 ct
Reagents-Free Chlorine Checker,PK25
Free Chlorine Reagent,Pk100
  • HANNA INSTRUMENTS
  • Free Chlorine Reagent, Pk100Free 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

Reagent Refill,Water Hardness
  • LAMOTTE
  • Reagent Refill, Water HardnessReagent 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

Reagent System,Cl,0 to 4 PPM,PK200
Electrode Cleaning Solution 0.23L
Reagents-Total Chlorine Checker,PK25
Reagent Refill,Total Chlorine,0.2to3PPM
Reagent System,Chlorine,0 to 4 PPM
Reagent Refill,pH Test Kit,3.0 to 10.5
Free Chlorine Reagent Set CL17 Analyzer
DPD Total CL2 Reagent PP, 10 ml
  • LOVIBOND
  • DPD Total CL2 Reagent PP, 10 mlDPD 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

Tablet,Reagent,Pk100
Reagent Refill,Copper,0.05 to 1.0 PPM
ION ADJUSTER SOLUTION NH3 THERMO E
Reagent Refill,Ammonia,Range 1 to 8 PPM
Sulfamic Acid PP  100 ct
Reagent Refill,Iron,Range 0.5 to 10 PPM
Silica # 2 Tablets
Triazole Reagent PP, 25 ml  100 ct
Aluminum PP Reagent Set, 10 ml
DPD Total CL2 Reagent PP, 5 ml, 1000 ct
Molybdate HR PP Reagent Set, 25 ml
Silica HR Acid Reagent PP, 25 ml  100 ct
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.

Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More