Keep an eye out for this feature in the future ahead. Back to Top 4. Most power filters use an Impeller to circulate the water. From constant movement and contact with debris, these parts can wear down or become bent. Back to Top 5.
Many factors affect the life span of fish in an aquarium.
One inch of fish for every one gallon of water. One inch of fish for every five gallons of water. Back to Top 6. Once or twice per day. Excess food whether eaten or uneaten, will pollute an aquarium quickly.