08-10-2013, 03:40 AM
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Help needed, multiple problems
Hi, not sure where to start. Took on an established tank, when original owner moved. Tank had 22 fish, various kinds, in a 75 litre tank with internal filter. Moved tank and 21 fish retaining approx. 45 litres of tank water. Everything seemed ok, subsequently found some of fish had previously been treated for fin rot.
Did weekly water changes of 25% of volume. Added API stress coat +
Now have ammonia reading of 0.25, 1 platy has cottonwool like growth, 1 guppy has orange spot on tail and another is swimming lopsided (fins damaged/inactive on one side?) and 1 guppy died yesterday.
Have added a medication recommended by local aquatic centre - myxazin, for last 2 days.
Platy seems to be getting worse, other 3 platys fine, do I remove diseased platy?
6 female guppys in tank - 5 appear to be pregnant! Does this affect dosing rate?
Do I continue with water changes, at same frequency, increased frequency? Have added extra internal filter and tank has an airstone. Is tank overstocked?