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yes! unless you have an algae eater, fish don't like it when you have leftover food, fish foods spoil a lot in water

Excess fish food will sink to the substrate and decay. This decay will create nitrates that is bad for your water quality and your fish. To reduce the amount of food in the substrate feed your fish less food and replace 10% of the water in your aquarium every week. At the same time vacuum your substrate to remove the excess food and fish waste.

To prevent excess food only feed your fish once a day and only enough that they can eat in two minutes. I do this in the morning then give my 15 fish in a 75-gallon aquarium a cube of blood worms at night.

See link below there is a video on how to vacuum your aquarium to remove the fish food.

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13y ago

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Why do water and ornaments turn green in a fish tank?

Because all the food in the fish tank that the fish does not eat will float down until it lands on something such as an ornament, as you said and the fish food rots as it is not eaten just like human food. Hope this helps! -- The green is probably algae, algae grows when they're excess nutrients or light in the tank. Don't over feed so food drops to the substrate and don't have the tank lights on too long, this should cut down on algae growth.


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The green color in your fish tank is likely caused by an overgrowth of algae. Algae thrive in conditions with excess nutrients, such as too much light or uneaten food in the tank. To prevent this, you can reduce the amount of light your tank receives, clean the tank regularly, and avoid overfeeding your fish.


Why does a fish tank get cloudy?

A fish tank can get cloudy due to a buildup of waste, uneaten food, and excess nutrients in the water, leading to bacterial growth and algae blooms. This can result from overfeeding, inadequate filtration, or poor water quality maintenance.


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One should know first what kind of tropical fish can be kept together, in what type of fish tank the fish can be kept, what sort of equipment is required for the fish, how much money are needed for best life of fish and for daily food. Additionally one should also consider the space required for the fish tank and time required for the maintenance of fish.


What do you do when a whole can of fish food is dumped in the tank?

Get a container and carefully scrape out the food from the tank.


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Will sea urchins eat fish food that you give a fish in a tank?

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Why does your fish tank produce a foam ath the sides of the fish tank on top of the water?

Foam on the surface of a fish tank can be caused by protein buildup from excess fish food, waste, or decaying plant matter. It may also be due to inadequate surface agitation, leading to poor oxygen exchange. Regular water changes and proper filtration can help alleviate this issue.


What causes a fish tank to become cloudy, and how can it be cleared up?

A fish tank becomes cloudy due to an excess of waste, uneaten food, or algae growth. To clear it up, perform regular water changes, clean the tank and filter, and avoid overfeeding the fish. Using a water clarifier or adding live plants can also help improve water clarity.


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