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Posted MELAFIX NIGHTMARE
08-05-2006
08:38 by foxycce
Hi guys just thought i would let u know how dodgy melafix is.i have a juwel rio 400 and i had a beautifull emporer angel fish and a huge birdmouth wrasse a lipstick tang a regal and a vampire tang , i have been on vacation so my girlfriend went to that nationwide marine pet shop for advise on the emporer angel fins getting slightly red they advised her to add 40mm of melafix soloution and low and behold there all dead this morning just had to winge t some one thats all
08-05-2006
09:09 by yanton
you must be gutted
08-05-2006
09:20 by foxycce
i am devestated a good £500 woth of fish do you think this would of killed my filters off as well?
08-05-2006
10:31 by von
Shouldn't do, it's not supposed to harm filters, but then again not supposed to harm fish either, that does seem a big dose though, i know you have to be careful with pond melafix as it's very concentrated, complain to the shop if i were you
08-05-2006
10:36 by foxycce
i am awaiting the call back from the store now i am so gutted
08-05-2006
10:49 by von
08-05-2006
12:21 by higgin
i think i have tried that Melafix,is it like a eucalyptus oil?I didn't want to put any in my tank,i thought it would leave the fish unable to breathe,they looked like it was irritating them,don't think i woill use it any more,btw sory to hear about what happened foxycce
08-05-2006
12:27 by Alan
Never used it on marine but have repeatedly on freshwater with absolutely no problems at all.
08-05-2006
12:38 by tony mcculloch
sorry to hear about your fish foxy. ive used melafix as its a natural remedy and harmless to fish, but as a precaution you do have to add an xtra source of oxogine to the water.
08-05-2006
13:00 by Phill Austen
Sorry to hear about your losses. Like Alan I have used it on freshwater without problems, it seems to be a mild antibacterial I found it good for protecting eggs from bacteria
08-05-2006
13:56 by wayne
i would say your filters would be dying off because all of those fish dying in the tank would have caused lots of ammonia , and if they are all dead the bacteria will die off as it needs fish waste to survive,
08-05-2006
13:57 by foxycce
yes i am gutted i called the shop and am awaiting a reply,if only i didnt add the melafix i just hope my filter isnt dead as well otherwise its back to the beggining,i think i am going to quit after this its getting to *** expensive and i feel gutted for the fish
08-05-2006
13:58 by foxycce
strange thing is i have 2 clown fish left over they are ok at the min ? and they were the smallest fish in the tank
08-05-2006
16:21 by PaddyD
Sorry for your losses. It would be worth testing you tank at the moment just to find out what your levels are and if your filter has been knocked out.

08-05-2006
16:36 by foxycce
ammonia is zero so n change here but my niterites and nitrates are high,what do you suggest let it rerun its cycleing period or add some additive like cycle ie good bacteria
08-05-2006
18:08 by foxycce
the shop are not going to jak jones about it so really i willo have to start again done a massive water change and 3 clowns remain in the tank along with a hermit crab oh welol here we go again,will add half a bottle of cycle to be on the safe side
08-05-2006
20:19 by commissar
sounds more like an ammonia spike to me seen as you now have high nitrite and nitrates
also you mentioned the fish had red finnage a classic sign of poor water as it causes bleeding under the skin
do not add cycle as there is no need your filter is working otherwise you would not have nitrate showing
08-05-2006
22:14 by foxycce
ammonia is zero only fish to show red finage was the emporer angel, i have added cycle now to boost my filter also have done a 50% water change will do another in a few days
09-05-2006
09:36 by commissar
ammonia spikes happen very quickly and convert very quickly to nitrite and thus into nitrate
just because you have zero ammonia now dosent mean it didnt spike
you say you been away if so who was feeding your fish as i would suspect they overfed therefore causing water quality to degenerate
this in turn can lead to allsorts of problems from fish being burnt by ammonia to poisoning by nitite/nitrate to bacterial infections breaking out
and with marines anyone can be devastating
09-05-2006
15:35 by foxycce
commissar you are true in what you are saying i will leave tank 2 days now then will perfor a 75% water change
10-05-2006
09:20 by Alan
You say you only have 2 small clown fish left therefor I assume all the fish that you sadly lost were larger than the clowns if that is the case it points towards the possibility of oxygen depletion having caused the losses I am aware of the need to increase aeration when using melafix I believe it states somewhere in the small print that the tank should be aerated whilst using the product I also assume the skimmer was turned off during treatment in effect reducing the surface area of the tank tens if not hundreds of times I beleive this will have been the cause sadly not the melafix as such.

Do you have live rock in the tank? If so I would not be to concerned about the tank needing to mature again I do not believe in any case that this problem is nitrogen cycle related in anyway and I also assume dead fish were removed straight away thereforte how can they have effected water chemistry as the source of potential pollution has been removed prior to the beginning of decay.
10-05-2006
16:44 by foxycce
yes there are 3 clowns left and a lipstick tang that i managed to save nitrites are still high as are the nitrates ammonia is at 0ppm so will just do large water changes now to dampen down high levels of the above mentioned and start to restok my tank
11-05-2006
21:58 by deejdave
Melafix is based on Malachite green. Its a general anti-bacterial treatemtn, somestimes works on marine whitespot too. Used at the correct dose it doesnt harm filters or inverts. I have used it in my shop for over 10 years and NEVER had any deaths because of it. Never listen to the bods in the shop follow the manufacturers advice to the letter.
11-05-2006
21:59 by deejdave
SORRY, thinkin of MYXAZIN
11-05-2006
21:59 by deejdave
Melafix is dodgy, you are right. Have had problems with it myself in marine & freshwater.
12-05-2006
18:04 by foxycce
thank god i am not the only 1
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