Skip Content

Filter Results By

Reagents and Refills

396 Results Found that Include 396 Products

Product availability based on selecting either shipping or pick up and a location. Dismiss
Results per page: 16 | 32 | 48
Molybdenum 1 LR Reagent, 20 ml,  100 ct
Reagent Refill,For Use With 4EVT7
Free Chlorine Reagent Set CL17 Analyzer
DPD Free CL2 Reagent PP, 5 ml,  100 ct
Reagent Refill,Water Hardness
  • 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,pH Test Kit,3.0 to 10.5
Reagent Refill,Free Chlorine,0.2to3.0PPM
Bromophenol Blue Indicator
Silica # 1 Tablets
Hexamethylenetetramine PP, 20 ml
DPD Total CL2 Reagent PP, 5 ml, 1000 ct
Ascorbic Acid PP  100 ct
DPD Total CL2 Reagent PP, 10 ml 1000 ct
Iron Ferro Reagent PP, 10 ml 1000 ct
Reagent Refill,Alkalinity,0 to 200 PPM
Reagent Refill,0-200 ppm
  • Reagent Refill, 0-200 ppmReagent Refill,0-200 ppm
  • Item # 32WC34
  • Mfr. Model # R-4824-DR-LT
  • Reagent Refill, Hardness, Total and Calcium, Range 0-200 ppm, For Use With Mfr. No. 4824-DR-LT-01, Includes...More

Reagent,Powder Pack,PK100
  • YSI
  • Reagent, Powder Pack, PK100Reagent,Powder Pack,PK100
  • Item # 25JZ99
  • Mfr. Model # MO-2 RP2
  • Reagent, Powder Pack, Range Specifications Not Available, For Use With Photometer, Includes 100 Packs,...More

Reagent Kit,Ammonia MR,100 Tests
Reagent Kit,Free Chlorine,300 Tests
Electrode Cleaning Solution 0.23L
Free Chlorine Reagent,Pk100
  • 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

Flouride Regeant Kit,PK100
SMART Reagent System,Iron,0-6 ppm,PK50
Tisab II,Flouride,One Gallon
Ref Elect Fill Solution,50 ml,PK5
SMART Reagent System,Chlorine,0 to 4 ppm
Reagent Refill,Soil pH Test Kit,4 to 8.0
Test Kit Refill Alkalinity
  • Test Kit Refill AlkalinityTest Kit Refill Alkalinity
  • Item # 3UUU6
  • Mfr. Model # R-3467
  • Test Kit Refill, Alkalinity, Testing Parameter Alkalinity for 3VEN7, Number of Tests 50, Length 6, Width 1-1/2...More

Phenolphthalein Indicator
Iron TPTZ Reagent PP, 10 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