Urgent Help With Serpai Tetras - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 07-06-2019, 01:53 PM Thread Starter
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Urgent Help With Serpai Tetras

slowly all my tetras are turning ragged... and slightly black .... I've attached some pictures .... I have tried using melafix since yesterday .... not sure what I need to do or if this will spread ... pictures are of a few fish ... first picture is the worst case
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File Type: jpg 20190706_184445_1562435539009.jpg (13.3 KB, 8 views)
File Type: jpg 20190706_184422_1562435557770.jpg (26.8 KB, 9 views)
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post #2 of 3 Old 07-07-2019, 10:49 AM
Looks like ich. Raise the temp to 83F and add aquarium salt according to the instructions. What are your parameters?
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post #3 of 3 Old 07-07-2019, 11:26 PM
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Also looks fungal/bacterial to me. Salt should help with some fungal strains, but otherwise a strong antibacterial medication (for positive bacteria) may work to clear the white patches if salt doesn't work, which then suggest its bacterial.

Owner of fish, hermit crabs, shrimp and plants!

Hermit Crab Association (HCA) is a great resource for hermit crab care
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