There is no Ammonia, Nitrite, Nitrate, Parasites, Fungus Chlorine. I Have 3 Plants. Just a tad of algae. Wonderful Filtration And Aeration. It's not frozen. The liner has no harmful chemichals. I bought the fish with no bacteria, fungus, parasites etc. It's Heated properly At 80 degrees farenheit. Not More than 4 1/2 hours to 5 1/2 hours of sunlight each day. I am feeding my fish very good pellet food.
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