Diagnostics
Systematic troubleshooting for circulation, heating, controls, lighting, sanitation, and water-quality concerns.
Speak with OnyxPool Repair & Service · Round Rock
Find the real problem. Fix it the right way.
Onyx provides experienced diagnostics, straightforward recommendations, and dependable repairs for pool equipment and systems across Round Rock and the surrounding communities.
The Onyx Approach
Good repair work begins with an accurate diagnosis.
Rather than replacing parts by guesswork, Onyx evaluates how the complete system is operating and explains what is actually needed. The goal is a lasting resolution, clear communication, and a pool that performs the way it should.
What We Handle
Expert attention at every layer.
Pumps & Filters
Repair and replacement for pumps, motors, filters, valves, and circulation components.
Heaters & Automation
Diagnosis, repair, replacement, and configuration for heaters, control systems, and connected equipment.
Ongoing Pool Care
Personal pool service focused on balanced water, clean operation, and identifying equipment issues early.
A Clear Process
Straightforward from the first call forward.
- 01
Describe the Issue
Share what the pool is doing, when the problem started, and any recent system changes.
- 02
Diagnose
Inspect and test the relevant components to identify the source rather than treating the symptom.
- 03
Resolve
Explain the recommendation, complete approved work, and confirm proper operation.
Start a Conversation
Ready for a pool that feels properly considered?
Tell Onyx what you have in mind and get a clear, thoughtful next step.
Request a consultation