- Don't go with an off the wall brand name. Choose ones made by respected manufacturers, such as Hagen (Aquaclear), Marineland (Penguin), Aquarium Systems (Maxi-Jet) and Rio (read product reviews & compare prices), that are time tested, reliable, and most likely won't burn out in a short period of time. These units may cost a little more than the bargain brands, but worth the investment.
- Choose a powerhead that is properly epoxy sealed and moisture proof to insure no electrical leakage into the aquarium.
- Be sure the powerhead you choose is saltwater safe!
- Pick a powerhead that can be taken apart and put back together easily. Unwanted matter at times can enter the impeller area and needs to be removed. Look for ease of cleaning to prevent restricted water flow, which in turn can lead to the unit burning out prematurely from overheating.
- Choose a powerhead that you can order and replace the parts on. Periodically parts may need to be replaced after prolonged use of the unit. Once again, pick a powerhead that can be taken apart and put back together easily.
- Be sure the powerhead has a strainer or screen of some type that covers the water intake hole to prevent unwary tank inhabitants from getting sucked into it. Check the size grid of the holes on the strainer and choose the larger sized one. Ones that are too small can slow the water intake. This can be further complicated by tank matter clinging to the strainer. This clogs the unit creating even more restricted water flow, and overheats it prematurely decreasing the life of the unit. Overheating units can also add an extra unwanted heat source in the aquarium.
- Some powerheads have switches for adjusting the water rate up, down, or in a reverse flow. If you want less current in a particular area of your aquarium, you can option to turn down the water flow automatically.
- A directional water flow diffuser attachment is useful. This allows you to direct the water flow where you want it to go.
- To learn more about the specs or particulars of a specific brand name powerhead, visit the Manufacturer's Home Pages or these supplier resources for product information.
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