my fish died

[dlaclo]

Ok so i put 2 mollies in my tank last night. I was told that they will survive in both saltwater and fresh water so i put them in my tank. I tested the water before i did so and everything looked good. When i woke up this morning both fish were dead, i tested the water again and my lvels were as follows. Nitrate 20: nitrite .5: alk 300: and ph 8.4: is this ok or did i do something wrong?

[amcarrig]

Mollies have to be acclimated veeeeery slowly to salt water if they've just come out of a freshwater tank. Some pet stores sell mollies that have already been acclimated to salt water but I have a feeling that this was not the case in your situation.

[dlaclo]

hmmm as in add salt water to the bag slowly before etting them into the tank or what???

[amcarrig]

Yes, you have to add salt water from your tank to the bag that their in very slowly before putting them into the tank. I drip acclimate them for several hours myself just to play it safe.

[dlaclo]

thank you very much for your help