Skip Content

Filter Results By

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

Reagents and Refills

444 Results Found that Include 444 Products 

Results per page: 16 | 32 | 48
Tablet,Reagent,Pk100
Colorimeter Reagent,Hydro Peroxide,PK100
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 Refill,For Use With 4EVT7
Reagent Refill,Free Chlorine,0.2to3.0PPM
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,Chlorine,0 to 200 PPM
Electrode Cleaning Solution 0.23L
Reagents-Free Chlorine Checker, 25pk
DPD Free CL2 Reagent PP, 25 ml 1000 ct
Free Chlorine Reagent Set CL17 Analyzer
DPD Free CL2 Reagent PP, 10 ml
  • ORBECO
  • DPD Free CL2 Reagent PP, 10 mlDPD 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

DPD Free CL2 Reagent PP, 5 ml,  100 ct
Tablet,Reagent,Pk100
Reagent System,Cl,0 to 4 PPM,PK200
Reagent Refill,QAC Test Kit
DPD Free CL2 Reagent PP, 25 ml,  100 ct
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

Reagent Refill,pH Test Kit,3.0 to 10.5
Sulfate 4 Reagent PP, 25 ml  100 ct
Reagent Kit,Free Chlorine,300 Tests
Reagents-Total Chlorine Checker, 25pk
Reagent Refill,Total Chlorine,0.2to3PPM
ELECTRODE FILL SOLUTION,PK 5
  • THERMO SCIENTIFIC
  • ELECTRODE FILL SOLUTION, PK 5ELECTRODE 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 System,Chlorine,0 to 4 PPM
TURBD MSRNG CUVET CLNNG SLTN 2
DPD Free CL2 Reagent PP, 10 ml 1000 ct
PD250 Reagent Refill, Free Chlorine
Reagent Refill,Iron,Range 0.5 to 10 PPM
Reagents-Phosphate Checker, 25pk
Reagent Refill,Ammonia,Range 1 to 8 PPM
Iron Regeant Kit, 0-5 mg/L,PK100
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.