![]() ![]() Some corals like a heavy flow, while others cannot stand anything but a low flow. Direct the flow along the diagonal axis of your tank and away from any walls.Īll corals benefit from a current to allow them to forage from the water column. Your powerhead should be installed at the opposite end of your aquarium from your filter output. Extra long tanks will require additional flow compared to a deep, short tank.Ĭonsult all manufacturer’s directions for proper installation. Flow requirements will also depend on the other filtration elements in place and how strong their intakes and returns are.Īs per our recommendations for flow rate above, just because your pump is marketed towards a particular tank size, your individual tank may not confirm to those guidelines. Some powerheads come with adjustable flow, so if you are unsure about your desired flow rate, an adjustable model would be a smart choice. Many powerheads are rated for certain sizes of aquariums, but your setup may not fit the general guidelines. What to Look for in an Aquarium Powerheads Flow Ratesįlow rates for all pumps are given in gallons per hour (gph). These pumps come in a variety of sizes for various saltwater tank setups, and you can always add on a wave controller later. If you are looking for a more straightforward powerhead, check out the Hydor Koralia Evolution Circulation & Wave Pump series instead. If you’re not sure what exactly you need, this pump allows you to play around with the settings in order to customize what works best in your tank. It comes in multiple sizes and can play both as a normal powerhead and wave generator, making it a good choice for most saltwater setups. Our overall pick for powerheads for saltwater aquariums is the Uniclife Aquarium Adjustable Wave Maker and Submersible Circulation Pump. ![]()
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