The decision in practical terms
Choose according to the blockage material, location and access. A product or tool is good value only when it fits the job and can be used safely.
- Opening and stopper compatibility
- Working length
- Break and scratch resistance
- Cleaning or disposal
Compare the whole purchase
Look beyond headline strength, cable length or pressure. Include protective equipment, compatible accessories, number of treatments, cleaning, storage and the cost of an unsuitable attempt.
- Clear intended application
- Material and fixture compatibility
- Controllable use
- Support, instructions and replacement parts
Step-by-step approach
- 1
Define the affected fixture
- 2
Identify the likely blockage
- 3
Rule out warning signs
- 4
Compare specifications that affect the job
- 5
Buy only when the instructions and limitations fit
Important safety point
Do not buy a more aggressive product or more powerful tool to compensate for an uncertain diagnosis.