Fry Born After Columnaris Outbreak

Ariel_rgru

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Hello everyone! I have a 60 liter freshwater aquarium with live plants and, after mistakenly purchasing a new guppy from a pet store chain and introducing it without quarantine, ended up with a pretty severe columnaris outbreak. I treated the tank with antibiotics for 5 days and haven't had anymore losses for about a month now. However, I am noticing a lot of the fry have these pin/needle point tails, and have found a few dead fry over the last few days. I was wondering, should I be worried about columnaris return or some other disease? Or is it possible that the mothers of these fry were stressed during the columnaris outbreak, leading to such deformities? I don't have a separate tank or divider for the fry, so they are currently all sharing the same space, adult and fry guppies. Any suggestions as to whether I need to take action or let nature take its course would be much appreciated! Thank you!
 

Coradee

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Welcome to Fishlore sorry your first post is about a problem, hope our members can help you today
 

Whitewolf

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Clamping fry can be any number of issues, namely a fungus. Try a big water change and add some acriflavine and AQ salt. Some may not make it, its just the way nature goes, but if you clean and water change reguarly (i do weekly 75% WC) you will have sucess with guppies.
Columnaris is always in the water, so theres no way to "kill it" but on that note, it does grow on flesh and gain momentum on fish and dead fish so its really important to keep your tank clean and immediately remove any sick or dying/dead fish, so the levels of F.Columnaris dont get too high.
 
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Ariel_rgru

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Thank you so much for this information. Regarding the acriflavine, is this safe for plants and snails/other bottom feeders? Or should I create a hospital tank and put all the fry with symptoms in there for treatment? I'm also struggling with algae growth on the glass and rocks, so am considering doing a full clean and rebuild on my main aquarium, and improving my filtration system/ plant selection. (I'm fairly new to aquarium care, but am trying to learn as much as I can as I go along!) Of course I'd like to wait on the rebuild until everybody is in good health before causing any additional stress, if possible. Thanks again for taking the time to reply!
 

Whitewolf

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It is safe for good bacteria and plants but not snails/shrimp.
You should get a pleco for the algae
 
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