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I need help with cotton mouth and on tail fin on my Otos

Elizabeth Vo

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40 gallon community tank, very heavily planted with shrimp, snails, glofish and Otos

Ammonia 0, Nitrites 0, Nitrates 5, GH 10, KH 7, PH 7.5, temp 77 F, Light Fluval 3.0 planted setting with night time off. 

They are fed Tetra Flakes, Hikari Blood worms, Bacter AE, algae wafers from Hikari and API and xtreme. 

I recently tried to get rid of black beard algae so I dunked my infected moss balls and plants in peroxide, then rinsed and put back in tank, well of course my moss balls died and looks like they grew fungus. Now I had one Oto die with cotton mouth on the day I started treating them with Maracyn and ParaCleanse. After 4 days, I am losing another Oto that it is spreading on his tail fin. I started adding Ich X starting today. I will be removing the moss balls. I just wanted to go through one full round of meds first, then I was going to clean during a water change and repeat another full round. My question is maybe should I be using other meds, I keep seeing articles recommend Maracyn 2, I guess the regular Maracyn only affect gram positive bacteria while the Maracy 2 attacks both the gram positive and negative which is the more common type. Thoughts? 

The infected Otos are fairly new to us but I quarantined them for three weeks with all three meds before I added them to my tank. I think its my dead moss balls that created this problem a month later and maybe the fact they don't have as much algae since the tank was thoroughly cleaned recently in the process of ridding the black beard algae. 

Please advise. 




Edited by Elizabeth Vo
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