Fish Killer

[backtotropical]

they may have become used to the bad water, and when new fish are added they are used to better water conditions which means they die after being added. dont know if im right but just a theory

I agree. This is called 'Old Tank Syndrome'. Theres a good article about it here.

I would suggest that you remove any dead bodies from the tank as soon as you find them. This is really best practice for fishkeeping as the dead fish will pollute the water as they rot.

Also, try to do a minimum of 30% water change every 2 weeks.

Do you have test kits for ammonia, nitrite, nitrate and PH? If so, please post test results to allow us to try to help you further.

Cheers

BTT

 

[dragons_shadow]

they may have become used to the bad water, and when new fish are added they are used to better water conditions which means they die after being added. dont know if im right but just a theory

I agree. This is called 'Old Tank Syndrome'. Theres a good article about it here.

I would suggest that you remove any dead bodies from the tank as soon as you find them. This is really best practice for fishkeeping as the dead fish will pollute the water as they rot.

Also, try to do a minimum of 30% water change every 2 weeks.

Do you have test kits for ammonia, nitrite, nitrate and PH? If so, please post test results to allow us to try to help you further.

Cheers

BTT

no never done a water test amd would not know how about doing one

 

[Luketendo]

they may have become used to the bad water, and when new fish are added they are used to better water conditions which means they die after being added. dont know if im right but just a theory

I agree. This is called 'Old Tank Syndrome'. Theres a good article about it here.

I would suggest that you remove any dead bodies from the tank as soon as you find them. This is really best practice for fishkeeping as the dead fish will pollute the water as they rot.

Also, try to do a minimum of 30% water change every 2 weeks.

Do you have test kits for ammonia, nitrite, nitrate and PH? If so, please post test results to allow us to try to help you further.

Cheers

BTT

no never done a water test amd would not know how about doing one

That is why your fish are dying. Your angel must be very hardy.

 

[TammyLiz]

You can take a sample of your water to a fish store and they should be able to test it for you. Instead of just taking their word for it when they say "Its fine" or "Its not good", have them tell you and write down the exact numbers of the ammonia, nitrite, nitrate, and pH.

I would guess that your nitrate is high and your pH is low, which would be the symptoms of old tank "syndrome" in that article someone linked you to above.

The other possibility would be your ammonia could be constantly spiking depending on how you are cleaning your filter. You said you it once a month. What exactly do you do? If you throw out everything or rinse it in tap water you could be throwing out/killing the beneficial bacteria that help process the ammonia into nitrate, which is less toxic but still needs to be kept at a minimum.

It might take some extra work but you'll get it sorted out. Its good that you're asking questions!