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| Discus fish |
Plants utilized in the discus aquarium should be completely washed with a harmless aquarium plant disinfectant.
Snails can rapidly over run an aquarium and snail excluding chemicals are harsh on discus. A decline in water quality will lead to stress in discus fish. Clean water, at the correct temperature is considerable.
Clean water should have zero ammonia and nitrite levels. Elevated nitrate levels indicate a need for water changes. Overfeeding can increase nitrate levels. High nitrate levels inhibit growth and color development in discus.
New discus fish arrivals may have scratches or torn fins. Adding non iodized salt at a rate of one tablespoon per 20 gallons will promote rapid healing. Salt has many uses at various doses. The salt should not remain in the aquarium over an extended period. contrary mollies or goldfish, discus do not require or admire water containing salt.
New discus arrivals that were shipped have spent several hours in a dark box. Avoid opening the box under bright lights. Discus eyes are designed for vision in murky waters and bright lights can irritate them. Opening a dark box in bright lights will irritate their eyes and in an effort to escape the light the discus may lie down. I recommend leaving the aquarium lights off for four or five hours after introducing new discus to the aquarium This allows time for the discus to adjust their eyes.
Sources:http://rockymountaindiscus.com/Discus_Fish_Care.htm
