💡Quick Pool Tip: How to Find a Suction Side Leak (DIY TEST) If your pump has air bubbles in the lid, loses prime, or shoots bubbles out into your pool, you may have a suction-side leak (air getting pulled in). ✅ Quick test: 1. Turn the system on. 2. Take a garden hose and run water over each and every union, connection, valve, and the pump lid o-ring. One at a time. 3. Hold it there for a few seconds. 4. Watch the pump lid — if the bubbles disappear, you found the leak location. 📌 This works b