How Much Should I Feed My Fish? It's always best to underfeed, especially in new aquariums, as uneaten food can cloud your water and cause dangerous rises in ammonia and nitrite levels. A general rule of thumb is to feed only what your fish can consume in 2 to 3 minutes.

How much food do I feed my fish?

As for how much food to feed, a good rule of thumb is to feed no more than the fish will consume completely in five to ten minutes. 3 When in doubt, underfeed! You can always give them another small feeding if necessary. However, if you overfeed, the uneaten food will produce wastes that can be harmful to the fish.

How many flakes should I feed my fish?

You should feed your fish two to three times daily. A few flakes per fish is sufficient. The fish should eat all the food in two minutes or less. Overfeeding can cloud your water and harm your fish.