equipment

Complete Reef Pump Maintenance Guide: Return Pumps and Powerheads

How to clean, service, and troubleshoot reef pumps for stable flow and longer equipment life.

By ReefBay Feb 20, 2026 1 min read
Reef return pump and wavemaker parts laid out for maintenance cleaning

Dirty pumps lose flow, run hot, and add noise. A simple maintenance routine keeps your reef stable.

Monthly Pump Check

  • Inspect intake guards and impellers for debris
  • Verify target flow and check for dead spots
  • Listen for rattling that indicates wear

Deep Clean Routine (Every 6-8 Weeks)

  1. Unplug and disassemble per manufacturer instructions
  2. Soak parts in diluted citric acid or vinegar solution
  3. Brush calcium buildup from shafts and housings
  4. Rinse thoroughly in freshwater before reinstalling

When to Replace Parts

Replace worn impellers, bushings, and o-rings proactively to prevent failures. Keep a spare return pump if possible. Find replacement parts and flow equipment in the ReefBay Shop.

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