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Circulation
Powerhead
A basic in-tank propeller pump to boost circulation - smaller and simpler than wavemakers.
Price: Budget
For: Both $20-$200
📖 Overview
Powerheads move water within a single tank. Common uses: driving undergravel filters, boosting circulation in dead spots, and providing current for stream-adapted species.
🛒 Buying Guide
For reef tanks needing turbulent flow, a proper wavemaker is superior. Powerheads excel in freshwater and simple marine setups.