04-22-2013, 04:44 PM
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Originally Posted by Miss Tropical
Posted via Mobile Device
I was afraid of that (not that the alternative would be much better). A 40 liter tank is approximately 10 gallons (US) - given the bioload you have in your fish list I would expect to have some problems...especially given just twice monthly water changes. You may want to take a moment and review the "fish profiles" with regards to the species you have to help you better understand my concern(s). Have you tested your water since noticing the issues starting with your fish being in distress? If so, what are the levels of nitrate, nitrite and ammonia?