Dying fish

[MonsterFishWithTeeth]

Help! My fishes are dying , i have 20 in a 10mx5mx7m pond.
They are eating well , eating 1kg of heavily compressed flakes per day , 19 died , one is left help

 

[Camshaft Ramrod]

Pump on? water flow going? airation? Whats the temp? Perameters?
Should think about doing a water change.

 

[Camshaft Ramrod]

...wait......1 kilogram of flakes a day?! How big are these fish!?,,,and flake?....

 

[fishfobia]

are they salt water in fresh water? what kind? got any pics?

 

[Noddy]

Help! My fishes are dying , i have 20 in a 10mx5mx7m pond.
They are eating well , eating 1kg of heavily compressed flakes per day , 19 died , one is left help

now where are you? we're willing to help but we need more info!

 

[Lupin]

Some people are not helping matters. Can we please take things a little more seriously and keep your wording friendly, folks? If you cannot say anything nice, please stop it and refrain from posting.

to MFK, Monster!

I moved your thread here so you will get much better responses focused on your issues.

Could you please answer this diagnostics form? We do need more information so we will know where we can help.

1. What is the size of your tank?

2. What are your water parameters? State the brand of test kit used.

3. Is your aquarium set up freshwater or brackish water?

4. How long the aquarium has been set up?

5. What fish do you have? How many are in your tank? How big are they? How long have you had them?

6. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)?

7. What temperature is the tank water currently?

8. Are there live plants in the aquarium?

9. What filter are you using? State brand, maintenance routine and power capacity.

10. Any other equipment used (aside from heater and filter which are two very important components of the tank)?

11. Does your aquarium receive natural sunlight at any given part of the day? What is your lighting schedule (assuming you do not rely on sunlight for our viewing pleasure)?

12. When did you perform your last water change and how much water was changed? How often do you change your water? Do you vacuum the substrate?

13. What foods do you provide your fish? What is the feeding schedule?

14. What unusual signs have you observed in your fish?

15. Have you treated your fish ahead of diagnosis? If so, what treatments did you use? State your reasons for planning ahead of proper diagnosis.