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Home      Reply		Viewed: 302 -- Replies: 9
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Posted	discus and carbon filters
05-10-2006 23:12 by kevinfish	Is there any truth that carbon filters will promote "hole in head disease" ??? and a few breeders tell me that a dominant discuss will release a hormone that stunts smaller discuss in same tank ... and you should change water daily because of this ...either statement true???
05-10-2006 23:16 by telboy	1st ive heard of either?
05-10-2006 23:30 by robert.pope	think the large water changes is more to do with getting shot of the Nitrate's not sure about the statments .....where did you get this information from? if breeders tell you this there must be something in it ????
06-10-2006 00:02 by kevinfish	too many web sites with conflicting info ... no two people agree about the carbon and I have only read twice about the hormones ... discuss are kinda new too me ... thanks
06-10-2006 08:42 by heros hero	have heard the hormone thing a few times and reckon there's some truth in it. When you raise a batch of fry, 1 always seems to grow faster than the others, remove it and another one starts to put on size.
06-10-2006 13:27 by vu1974	Have heard about the hormones thing too but the carbon theory sounds stupi.d. The only thing I can think of is that if you don't change the carbon regularly it will leach back and cause water quality problems. Its normally best to have lots of WC for Discus to maintain water quality unless you are an experience keeper.
06-10-2006 15:39 by PaddyD	It is not hormone buy Pheromones that are released by the fish. Similar, but different. Lots of stuff on the web on these. Yes water changes (not nessesaryly daily, but regular) will help. But with discus it is usually bullying both active and passive that causes the problems, In any group of discus you will get dominant fish, the submissive ones will get to food less quickly, so grow less and also be passively intimidated by the presence of dominant fish. With discus you really need a minimum of 6 fish to avoid having serious problems, but even with 6 some will be smaller than the others.
06-10-2006 15:44 by PaddyD	The carbon thing is a bit tenuous. Apparentley some sam that carbon may remove some essential minerals, and that this leads to an increased occurance of the disease.... unsure about this one.
09-10-2006 14:09 by vu1974	Hi paddy Thats very interesting and I think you are right. It now makes sense to me. I read that some Discus Breeders add some particular Vitamin to cure Hole in the Head. From this I reckon that the carbon not only removes all the rubbish its suppose to but also various minerals and vitamins. Quality carbon is good in the short term but long term I don't think people should be using it.
09-10-2006 14:55 by Alan	I never use carbon with any fish it is pointless unless you are removing medication its exhausted within a couple of days anyway.

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