One of the most common questions new fish tank owners have is how often they should clean their tanks. Ultimately, there is no set standard, and frequency varies based on factors such as tank size, water type, heat source, and lighting. Since it’s easy to get overwhelmed trying to pinpoint the precise schedule for cleanings, you may find it easier to perform the routine below.

5 Recommended Intervals for Fish Tank Cleanings

1. Each Day

While you certainly don’t have to clean your tank daily, you should inspect it for any signs of problems every day. Make sure the water is clear, the fish appear calm and healthy, and there’s no sign of slime. If the fish appear stressed or seem to be gulping for air, it may be time for a partial water change.

2. Once a Week

Most tanks require partial water changes on a weekly basis. Larger, established aquariums may only require this service every other week. When you perform a partial water change, remove about a quarter of the water before replacing it with treated water. Clean the gravel with an aquarium vacuum and wipe away any algae from the fish tank components with a designated cleaning tool. 

3. Monthly

Unless you notice any signs of unhealthy fish, you’ll only need to test your aquarium’s water once per month. Measure nitrate, pH, and ammonia levels, and keep a running log of each. You should also clean your tank’s filter cartridges every month.

4. Semi-Annually

Roughly every six months, inspect and clean all of your tank’s equipment. Be sure to assess and wipe down the hood, light fixtures, and filters. Remove any lingering dust or grime from these components to keep your tank in optimal working condition.

5. Rarely

One fact new tank owners are surprised to discover is that they should very rarely, if ever, perform a complete tank cleaning. Removing everything from the tank and cleaning it is actually harmful to the ecosystem, as it strips the tank and its components from healthy bacteria. You should only consider a deep cleaning if your fish have become diseased.

Whether you’re looking to get started with a fish tank or you’re a longtime aquarium owner, Gerber’s Tropical Fish has everything you need to manage your tank. Serving the Cincinnati area, this store has an ever-changing inventory of freshwater and saltwater fish, along with the right products to help you maintain optimally balanced water. Browse through their products and services online or call (937) 297-0515 to speak with a helpful associate.