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RE: Killie Fry and velvet
Hi Robert,
My limited experience tends to indicate that rapid salinity changes do work
to kill velvet. The salt bath is a good trick, I use a solution of 1.024 for
a dip (until the fish show serious stress) then put the fish in a clean
tank. Unfortunately the velvet is in the tank and if you put the fish back
into the tank it came out of it gets infected again instantly. For salt
water fish you can use a fresh water bath and get the same effect just
buffer the pH to minimize gill damage.
I suspect that Rosario's handful method has the same effect of rapidly
changing the salinity. So you were better off using larger handfuls than
smaller ones. Rosario is one of the very best killiepeople I know, he knows
exactly how far he can go and how fast. I think he does it by instinct.
With regard to the "Golden velvet", it might be my eyesight or maybe there
are different types of velvet, but I have never seen this variety. The
velvet I am most familiar is not visible to my eye when the fish are in the
tank under normal light. The fish might look "duller" than they should
and/or breathe more rapidly than usual and/or swim about erratically, but
mostly just start dying off in droves until just about all of the fish are
gone. I tried Rosario's salt method before moving on to acriflavine without
success. But I suspect that his approach is usually more heavy handed than
mine. I guess it comes with experience. I could not bring myself to use that
much salt that fast on Nothos.
Best regards,
~RJ~
-----Original Message-----
From: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]On
Behalf Of RuevenM at aol_com
Sent: Friday, June 29, 2001 10:20 AM
To: killietalk at aka_org
Subject: Killie Fry and velvet
John,
Shine a flashlight on those "white spots." Velvet is much smaller
than ich; looks like a dusting on the fish, shows up particularly near the
head and on the fins and in bright light usually has a very faint
gold/copper/brassy color. I have only had it once in 35 years of fish
keeping
and that was recently on a pair of C. toddi someone sent to me and they
arrived covered in velvet. They were young adults but I was told by Rosario
LaCorte to just throw in a handful of salt everyday until I saw that the
velvet had fallen off. Then I was to leave the water at that salt
concentration (turned out to be three handfuls in a 10 gallon tank) for 3
days and then start lowering it through water changes. It worked like a
charm. Rosario was a little shocked at how fast it worked and asked, "How
big
were those handfuls!" So you might want to go slower on fry. In Detroit
once,
Fred Stewart showed me a salt bath on Nothos. I forget the dosage, but Fred
dipped a male korthausae in it and you could see the little velveties
falling
off. Salt is a winner.
Robert E.
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