Hach 2537800 Hydrogen Sulfide Test Kit, Model HS-C

Test Strip, Hydrogen Sulfide, 0-80ppm, PK50

Hach 2745325 Iron Test Strips (Total Dissolved Iron), 0-5 mg/L

10-in-1 Drinking Water Test Kit by Baldwin Meadows - Water Quality Test for Well Water & Tap Water - IMPROVED SENSITIVITY detects low level ranges for Lead, Fluoride, Iron & Copper + MORE! 100 Count

Alka-Seltzer Gold Tablets- Non-Aspirin, 36 Count Box by Alka-Seltzer

Hach 183702 Hardness, Iron, and pH Test Kit, Model HA-62B

Hach 2444301 Alkalinity Test Kit, Model AL-AP, mg/L

Housing Bracket for Big blue 10" and 20" filter housings

Hach 223002 Chlorine, Hardness, Iron, and pH Test Kit, Model CN-39WR

Alka-Seltzer Effervescent Gold - 36 Tablets, Pack of 3

Industrial Test Systems WaterWorks 481197-20 Hydrogen Sulfide Test Strip, Low Range, 1 Minute and 20 Second Test Time, 0-2ppm Range (Pack of 30)