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Re: [APD] resistant Ich ?

All of the things you've tired can work, but each of them
can fail to work.  Some ich strains have been reproted to
remain active and viable at 92F. Enough copper to
guarrantee a kill won't be  too nice for other things.

Salt is sort of the same. Sometimes you have to add so
much, it's bad for other things.

Formalin and malachite green (the dye, not the mineral) are
very effective. The formalin especially knocks it out
quick. They're not especially nice chemicals so avoid
unnecessary contact if you use it and filter it out after a
few days with charcoal. Effective doses don't seem to harm
the fish. When I've used it in the past, it didn't hurt the
plants I had, although I don't recall now what those were,
certainly swords and common crypts.

The malachite green can tint the silcone in the tank seams
bluish, but the ultraviolet from fluorescent or metal
halide lamps bleaches the color back out after a while.

Diatom filter will filter ich out of the water that passes
thorugh it so that can be effective but it has to turn the
tank volume over several times an hour and get all of the

It seems, and others have mentioned this too, that
sometimes ich shows up when the fish resistance is low and
the only that help them is to get their resistance back up.
That could mean avoiding stress like high temps and salt.
Trying all of these things, maybe with big water changes
inbetween, seems to stress the fish. So if you get too
aggressive with too many approaches, you can sort of trap
yourself with fish that are too stressed to get well, ich
that won't go away, and all kinds of stuff lingering in
your tank in varying amounts.

good luck,
Scott H.

--- John J Drab <jjdrab at raytheon_com> wrote:

> I have been fighting Ich for a while and can't seem to
> get rid of it
> First tank is a Walstad style 10 gal mounted in west
> facing window. planted
> with a huge Ludwigia Reopens which grows out the top of
> the tank and fills
> the window sill. Also contains Rotala Indica, Hygro
> Difformis, Crypt
> Wentii, and corkscrew vals. fish are 6 Rummy-nose tetras
> placed in this
> tank for quarantine, 2 young male plattys placed for
> birth control, 1 black
> molly removed from a main tank because she was getting
> attacked by a SAE I
> can't catch.
> the rummy nose tetras that brought the Ich into this tank
> were from a
> Discus tank running at 84 deg in the local store.
> so far I have tried:
> raising the temp to 88 deg.
> added 1/2 dose coppersafe as suggested by owner of the
> fish store. This
> killed all of the snails and caused the vals to die back
> to the substrate.
> The Ich seemed to be reduced, but remained on a few fish.
> vals are growing
> back now
> added a quick filter as a polishing filter. this turns
> the little tank into
> a whirlpool but the rummies seem to like the current.
> filters are boiled
> daily to kill any trapped Ich.
> after 2 weeks of this I still had Ich
> I started to adding salt. 5 TBSP total (in addition to
> the Coppersafe which
> should still be around since no water changes)
> temp still at 88
> another week goes by and rummies still have a few spots
> of Ich.
> The rummies school really nice and I would love to move
> them to one of the
> main tanks, but I need to get rid of the Ich first.
> The plants are also suffering from the hot water and
> filtration.
> I also have this Ich in another 10 gal hex quarantining 2
> baby angels
> acquired from the same store on the same date. The plants
> in this tank
> include a really nice red Crypt Wentii. Angels still have
> a few spots on
> the end of their pectoral fins. 84 deg and 5 TBSP salt in
> this tank for the
> last week with no improvement.
> How do I get rid of this Ich ?
> -jd
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