What are the best recirculating pumps and what disadvantages of using them?

* Eheim CompactON 3000 Recirculating Pump: This pump is a great choice for aquariums up to 100 gallons. It is powerful enough to circulate water throughout the tank, but it is also energy efficient. The pump also has a built-in thermostat, so you can easily control the temperature of the water in your aquarium.

* Fluval Sea CP1 Recirculating Pump: This pump is a good choice for aquariums up to 150 gallons. It is very powerful, and it can circulate water at a rate of up to 500 gallons per hour. The pump also has a built-in skimmer, which helps to remove debris from the water.

* Jebao RW-4 Recirculating Pump: This pump is a great choice for aquariums up to 200 gallons. It is extremely powerful, and it can circulate water at a rate of up to 1,000 gallons per hour. The pump also has a built-in wavemaker, which creates a more natural water flow in the aquarium.

Disadvantages of Using Recirculating Pumps

There are a few disadvantages to using recirculating pumps in aquariums:

* Noise: Recirculating pumps can be noisy, especially if they are not properly baffled.

* Heat: Recirculating pumps can also generate heat, which can raise the temperature of the water in your aquarium.

* Cost: Recirculating pumps can be expensive, especially if you need a powerful pump for a large aquarium.

Despite these disadvantages, recirculating pumps can be a valuable addition to an aquarium. They can help to improve water quality, circulate water throughout the tank, and create a more natural water flow.