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Retirement and forum shutdown (17 Jan 2022)

Hi,

John Howell who has managed the forum for years is getting on and wishes to retire from the role of managing it.
Over the years, he has managed the forum through good days and bad days and he has always been fair.
He has managed to bring his passion for fish keeping to the forum and keep it going for so long.

I wish to thank John for his hard work in keeping the forum going.

With John wishing to "retire" from the role of managing the forum and the forum receiving very little traffic, I think we must agree that forum has come to a natural conclusion and it's time to put it to rest.

I am proposing that the forum be made read-only from March 2022 onwards and that no new users or content be created. The website is still registered for several more years, so the content will still be accessible but no new topics or replies will be allowed.

If there is interest from the ITFS or other fish keeping clubs, we may redirect traffic to them or to a Facebook group but will not actively manage it.

I'd like to thank everyone over the years who helped with forum, posted a reply, started a new topic, ask a question and helped a newbie in fish keeping. And thank you to the sponsors who helped us along the away. Hopefully it made the hobby stronger.

I'd especially like to thank John Howell and Valerie Rousseau for all of their contributions, without them the forum would have never been has successful.

Thank you
Darragh Sherwin

invert safe tank treatments

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13 Apr 2013 13:19 - 13 Apr 2013 13:19 #1 by LemonJelly (Johnny Cowley)
i'm sure this has been asked before, but what are the best meds/treatments for fish that are safe for invertebrates?

"The only thing that burns in Hell is the part of you that won't let go of your life; your memories, your attachments. They burn them all away. But they're not punishing you.They're freeing your soul."
Last edit: 13 Apr 2013 13:19 by LemonJelly (Johnny Cowley).

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13 Apr 2013 16:38 #2 by hammie (Neil Hammerton)
I have a couple of blue crayfish in the tank and used Malachite recently (2doses) to treat a parasitic infection

Didnt effect the crayfish adversely at all

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13 Apr 2013 17:15 #3 by igmillichip (ian millichip)

I have a couple of blue crayfish in the tank and used Malachite recently (2doses) to treat a parasitic infection

Didnt effect the crayfish adversely at all


If you'd treated them with Malachite then it would have killed them at very low dose, but I suspect they were not treated with Malachite but with Malachite Green. ;)

That is important to split the difference as there is a common believe with fish keepers that Malachite Green is a copper based medication (it is not).
Malachite is, however, a copper molecule.

The toxicity of Malachite Green is a concern, but often many crustaceans tolerate it better than fish eg Lobster can cope with a dose about 4000 times that a trout can take.

pH, Temperature, debris in tank, and duration and frequency of treatment affect the toxicity of Malachite Green in differing species.

ian

Irish Tropical Fish Society (ITFS) Member.

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13 Apr 2013 19:01 #4 by LemonJelly (Johnny Cowley)
are there any non-malachite green treatments?

"The only thing that burns in Hell is the part of you that won't let go of your life; your memories, your attachments. They burn them all away. But they're not punishing you.They're freeing your soul."

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13 Apr 2013 19:24 - 13 Apr 2013 19:26 #5 by hammie (Neil Hammerton)
Apologies I was auto corrected and didn't notice!
It was formalachite that I used which as you say is a malachite green product to the best of my knowledge!
I used it extreamly weakly (5ml - 190litres water). This was enough to clear up the parasites in all except 1 fish and still left the crays healthy and happy

The two doses were given 1 week apart and a 30% water change was carried out between dosages!
Temp was turned up to 27degrees prior to treatments
Last edit: 13 Apr 2013 19:26 by hammie (Neil Hammerton). Reason: additional info provided

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13 Apr 2013 20:07 #6 by igmillichip (ian millichip)
To reduce the toxicity of Malachite Green, I would have recommended dropping the temp as temperature increases the toxicity (well....the acute toxicity at least).

Although there are major concerns on the general safety of Malachite Green (especially for us and fish), and that it also accumulates in simpler organism, I look at Malachite Green as being safer for inverts (if administered correctly) than it is for fish.

But.....yes, there's always a "But"....the exacting knowledge pool of the dosing regimen for inverts is limited....and especially when it is used to get rid of some crustaceans.

I'll also be bold and say that some reported extended and overdose usage reports on fish where everything was "fine" may well be due to debris in the tank actually sapping up much of the Malachite Green thereby effectively reducing its concentration.

As we know, everything is toxic......it is the dosing regimen that determines if it is going to poison the organism or not.

For inverts, as a general rule of thumb, copper-based medication should be avoided. Now, Malachite Green itself is not a copper-based medication, but it might be combined in some preps with copper sulphate and hence such combinations should be avoided simply on the basis of the copper sulphate.

Of course, very few medications will treat all diseases.........so it depends what the treatment is for.


ian

Irish Tropical Fish Society (ITFS) Member.

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