Will a 50% water change hurt my fish?

Regular water changes are the cheapest, safest and most effective way of keeping nitrate levels at reasonable levels. If tank water has similar pH, GH and KH as tap water, changing 50% (or more) of the water at one time will not affect fish.

When should fish water be changed?

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. When adding water back in to the aquarium, use Tetra AquaSafe® to remove the chlorine and chloramine.

How often should I change water in cichlid tank?

Try to schedule a water change every two weeks at a minimum – ideally, however, you should be changing a portion of your tank water once a week. If changing the water every two weeks, go for a 20% tank change each time.

How often do you do water changes in an African cichlid tank?

As with most aquariums, small & consistent water changes are the key to a successful tank. A 15% water change 2 times per week is ideal, however once a week will suffice.

Should you feed fish after water change?

There isn’t any real harm in feeding your fish after a WC but you might want to wait a while afterwards.

How do fish act when they are dying?

Your fish will not be acting like they normally do. They may seem distressed, have no appetite, hide, have nicked fins or sores. If your fish is near the surface gasping for breath, this means it’s probably not getting enough oxygen. This can happen due to poor water circulation, gill damage, or toxins in the water.

Can you change aquarium water too often?

To conclude, yes you can do too many water changes. If you do more than 1 water change per day, your fish will experience unnecessary stress. This is because the water parameters are fluctuating. Never change more that 50% of the water at once, as this can kill the beneficial bacteria in the aquarium.

How high should the water level be in my aquarium?

You should generally fill the tank up to an inch below the trim because the water column and aeration system will create bubbles that splash the surface. When the waterline is too high, water may splash outside of the tank.