Fish Are Dying Plaese Help

[shelaghfishface]

98 litre
2 kissing gouramis
2 opulaine gouramis
6 wag platties
2 madagascan rainbow

3 neons --- missing


kissing gouramis have been very lethagic, just did a 40% water change, ( did 30% yesterday) as NO2 was 5 ( look like they wont last long)
NO3 was25 (these results are today no test carried out yesterday)

ammonia was 0

have added rec dose of declorinator,

all going wrong today plz help

 

[WILDER]

If the fish are pale is stress due to the nitrite reading.
Increase aeration.

 

[shelaghfishface]

ok will do that now

 

[Colin_T]

and do a 50-75% water change each day until the levels are down to 0.
Make sure any new water going in the tank is free of chlorine and has a similar temperature and PH to the tank.

 

[shelaghfishface]

thankyou both x