Powerhead

Definition

A powerhead is an in-tank pump that creates flow patterns. Reef tanks need 30-50x display turnover combined between return + powerheads.

Practical use

Brands: EcoTech MP10/MP40/MP60, Maxspect Gyre, Tunze Turbelle, Hydor Koralia. Modern powerheads have wave/pulse modes that mimic natural reef flow. Position to eliminate dead zones (where detritus settles).

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