A consistent supply of refill reagents so you never have to skip a test.
Refills
$9.90
This is the small size of reagent 2 from the Rapid pH Detection Test Kit.
New
Refills
$25.50
Refill of reagent 3 from the Salt Detection Test Kit. Note: This reagent can stain surfaces and skin, it is advised to use both Protective Gloves and Bench Protector when performing this test.

Total Alkalinity Detection Reagent, 10mL
