Why did my goldfish died after cleaning the tank?

The cause is more complex than that. Over time the by-products of fish waste, uneaten food particles, dead leaves from plants, etc., alter the chemistry of the water. When a sudden, large water change occurs, it causes such a drastic shift in the makeup of the water that the fish often cannot tolerate it and they die.

Can cleaning tank kill fish?

It is possible to keep your fish in the tank while you clean because you don’t need to remove all the water to clean the tank properly. Completely replacing the water in the fish tank is a bad idea because it will remove beneficial bacteria that live in the tank and reset the nitrogen cycle, which could kill your fish.

Which is the best fish to clean a goldfish tank?

Goldfish tank cleaner fish can be helpful. Plecostomus, or pleco, can reduce the amount of algae in the tank; however, at times plecos have been known to attack goldfish (not so attack rather to suck your goldfish instead of your glass). For a generally peaceful algae-eating fish, try out the rubber-lipped pleco.

What should I do if my Goldfish is unwell?

Separate your goldfish from any others in the same tank. If you notice your fish is unwell, you should immediately shift it to a smaller, “hospital” tank. Fill a small tank or bowl with new filtered or mineral water, and transfer your unwell fish into this tank.

Can a goldfish live a long life in an aquarium?

Goldfish are also the most common first pet fish aquarium owners buy. If you do these seven things right your goldfish will grow to a healthy size and live a much longer life. 1. A large tank.

Why does a goldfish need a water filter?

Goldfish must have a filter. This is an essential part of keeping a goldfish healthy. By the same token, all fish tanks benefit from water filters. It will keep the water clean by breaking down fish waste, remove odors, trap larger particles like excess and old fish food, and remove other organics and discoloring of water.

Why are my fish dying after water change?

When you perform a water change with colder water, the fish in your aquarium go into a thermal shock, which leaves them extremely vulnerable to disease. A fish that goes through thermal shock will not move a lot, lose its color quickly, and may die almost immediately after a water change.

How often should I do water changes in my aquarium?

You should do a 25% water change every two to four weeks. There is no reason to remove the fish during the water change. Make sure you stir the gravel or use a gravel cleaner during the water change.