Aeration and Circulation

July 1, 2008 · Filed Under Aquarium Care and Maintenance 

AerateAeration is the process of adding oxgyen or more techincal diffusing oxygen into the water, which fish and invertebrates need to survive.

Circulation is the transporting of the oxygenated water around the saltwater aquarium, but circulation does more than just transport oxygen:

  • Sweeps away wastes
  • Delivers food
  • Helps the animals’ own internal circulation
  • distribute the temperature

They cant work alone and must work as a system without one the saltwater aquarium will not function well.

Aquarium heaters will only efficient of there is a good circulation of water in the tank, its pointless to heat one corner of the saltwater aquarium and not the whole tank.

Generally most types of saltwater aquarium filteration sytems in some form will aerate the water.

For example, the aquarium undergravel filter with powerheads provides circulation and aeration. Also the input piping of from a canister filter or trickle filters provides some sort of circulation and aeration.

Live rock however doesn’t provide circulation or aeration but provides excellent filtration.

In fact, circulation and aeration is needed to keep live rock healthy and to maximize biological filtration.

Complete guide to saltwater aquarium maintenance and care

Text and Photo Source: Saltwater Aquarium Online Guide

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