yes beacuse the fish will die if u dont common sence buddy
A small pebble from inside the aquarium
With 115 volt alternating current
An under gravel aquarium filter is one where the filter is located beneath the gravel. The filter is responsible for keeping the tank oxygenated and looks better out of sight.
If you mean the smell, you can use carbon in your filter. You can get aquarium carbon from an online retailer such as www.bigalsonline.com
24 hours and do a water change
$39.99
put a filter in
follow the instructions.
water level in aquarium not high enough or if it is, add some water to the filter equipment and sound will stop : )
The fish in the aquarium developed gill disease, due to ozone depletion in the filter system.
Aquarium filters can range from $20 to several hundred dollars depending on the quality of the filter and volume of the aquarium. There may be specific types of filters that work better for specific types of fish.
Italy loo