fish died with ich... tank cleaning how ??

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Lupin;2643846; said:
How many other references vouch for the dormancy myth?

Not to get into a large drawn out argument, but if it does not lie dormant where does it come from, out of the blue, in a healthy tank when no new fish are introduced??
 
if your at all in doubt and are really worried about any possibility that ich remains then i suggest a huge dose of methylene blue if you have no fish left in the tank. do a stronger than recommended dose, double or even triple. it will destroy your filter bacteria though and you will be starting again with cycling. but it will kill just about anything in the tank. its an old school teratment for just about any fish ailment but it is extremely harsh on fish so its rarely used these days as there is much gentler meds avalible. a lot of shops use it, or at least used to, for steralising nets.
i will say that this, it is a last resort and will put your filter back to square one. i would trust Lupins opinion as he seems very knowledgable with disease but if your at all paranoid then methylene blue is what i would do before a complete tear down.
 
Knowdafish;2643856; said:
Not to get into a large drawn out argument, but if it does not lie dormant where does it come from, out of the blue, in a healthy tank when no new fish are introduced??
Ich is not present in all tanks. It can be obtained in most cases by failing to quarantine new arrivals. A lot of fish are disease carriers and ich can reside in their gill tissues and will come out in outbreaks once they sense their hosts' immune system is weakening hence the dormancy phase is a myth. There is no such thing as dormancy for ich. Most people get a resurgence of ich outbreaks for two reasons: a. failure to quarantine a fish for at least four weeks, and b. failing to complete the treatment course as recommended which could have destroyed all the protozoans in their free swimming stage.
 
cichlid2006;2643859; said:
if your at all in doubt and are really worried about any possibility that ich remains then i suggest a huge dose of methylene blue if you have no fish left in the tank. do a stronger than recommended dose, double or even triple. it will destroy your filter bacteria though and you will be starting again with cycling. but it will kill just about anything in the tank. its an old school teratment for just about any fish ailment but it is extremely harsh on fish so its rarely used these days as there is much gentler meds avalible. a lot of shops use it, or at least used to, for steralising nets.
i will say that this, it is a last resort and will put your filter back to square one. i would trust Lupins opinion as he seems very knowledgable with disease but if your at all paranoid then methylene blue is what i would do before a complete tear down.


whats methylene blue.....???
and i wouldnt use the filter again !
id just buy a new one !!
 
Knowdafish;2643856; said:
Not to get into a large drawn out argument, but if it does not lie dormant where does it come from, out of the blue, in a healthy tank when no new fish are introduced??


but in a system with fish why would a parasite go into a dormant state? surely something like ich would remain active as long as hosts are availible. im not trying to picking a fight but i am curious as to why. parasites follow instinct as they are simple creatures and instinct would not allow them to go dormant if hosts were around.
 
ohhsweetness;2643863; said:
whats methylene blue.....???
and i wouldnt use the filter again !
id just buy a new one !!

its an old school medication for disease erradication but like i say it is very tough on fish hence it isnt used much as a treatment nowadays but usually for steralising equipment such as nets, filters etc. it was found that methylene blue does a lot of damage on its own and for simple diseases like ich and fungus the cure was far more deadly than the disease when meth blue was used.
you dont have to throw out the filter itself, just replace the media if your worried. run the filter on the tank when its got a strong dose of meth blue and it will steralise the filter as well.
http://cgi.ebay.com/Kordon-Methylen...ptZLH_DefaultDomain_0?_trksid=p3286.m20.l1116
i suggest you never use this when fish are present as its brutal on fish. if you do use it to steralise then run carbon in the filter for a couple of weeks to remove it along with water changes.
 
cichlid2006;2643859; said:
if your at all in doubt and are really worried about any possibility that ich remains then i suggest a huge dose of methylene blue if you have no fish left in the tank. do a stronger than recommended dose, double or even triple. it will destroy your filter bacteria though and you will be starting again with cycling. but it will kill just about anything in the tank. its an old school teratment for just about any fish ailment but it is extremely harsh on fish so its rarely used these days as there is much gentler meds avalible. a lot of shops use it, or at least used to, for steralising nets.
i will say that this, it is a last resort and will put your filter back to square one. i would trust Lupins opinion as he seems very knowledgable with disease but if your at all paranoid then methylene blue is what i would do before a complete tear down.

The only negative of methylene blue or any other medication that has a dye in it is that it can permanently stain your silicone seals, rocks, and other ornaments.
 
if your gonna tear down the tank then use 1 part bleach to 10 parts water then rinse till you cant smell bleach
 
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