Teestee Teestee
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  • Posted on: 13/9 22:19
Clown Loach - HELP REQUEST #1
Hello everyone.
I have x2 clown loaches in an established (6yr) 120L tank.
Weekly water changes alternating 25% and 50% every fortnight - never any problems with nitrogen cycle.
All water changes treated with Tetra AquaSafe, Tetra Easy Balance, and API Aquarium Salt.
But the larger Loach has developed a flaky appearance at the base of its dorsal fin and has stopped using the fin.
No obvious signs of parasites, ICK, etc.
Any help diagnosing and guidance on treatment.
Photo enclosed.

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Fishlady Fishlady
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  • Posted on: 14/9 10:40
Re: Clown Loach - HELP REQUEST #2
It's most likely bacterial and/or fungal so treatment with Esha 2000 should clear it up. Your tank is rather small for clown loaches as they need to be in groups of six or more and as they ought to grow to about a foot long need a very large tank (6ft x 2ft x 2ft minimum). Salt is bad for loaches so stop using the API salt in the tank going forward.
Teestee Teestee
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  • Posted on: 14/9 15:12
Re: Clown Loach - HELP REQUEST #3
Hello.
Thanks for the response.
It's appreciated.
I'll take your advice regarding Esha 2000.
I'm interested in what you say about the aquarium salt.
I've always added salt along with water changes, and have never seen any adverse effects in the Loaches - until the problem with the dorsal fin occurred.
Just as a follow-up question, isn't aquarium salt supposed to be beneficial for a whole host of reasons - improves fish health, assists in healing injuries, encourages the formation of slime coating, enhances gill function, guards against parasite infestation, and reduces harmful nitrite/nitrate levels etc, etc.

Thanks again.
Fishlady Fishlady
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  • Posted on: 14/9 15:46
Re: Clown Loach - HELP REQUEST #4
That's very outdated advice. It's long been accepted that regular salt addition is unnecessary in freshwater systems and can be detrimental as it raises the TDS of the water. It''s harmful to scaleless fish like loaches. Salt should only be used as a temporary measure to treat certain issues with some fish.