Tests designed to determine which type of formula is needed to prevent rust stains. After obtaining test results, input the information into the online dosage calculator found in the tool kit.
| Product Description | Part No. |
 | "Do-it-yourself" kit
Performs two tests each for iron, hardness and pH | Test-8 |
|
 | Field Analysis kit (Professional Use)
Performs 50 tests each for iron, hardness and pH
| 2401
|
Note that a "Do-it-yourself" test kit (Test-8) is included with the purchase of any American Hydro feeder system.