Post your biggest fishkeeping mistake - Page 4 - Tropical Fish Keeping - Aquarium fish care and resources
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post #31 of 33 Old 07-05-2010, 12:49 AM
dorabaker's Avatar
I have a fishkeeping mistake to add to this forum, haha. I've had a lot of mistakes but this one was by far the worst.

Years and years ago I had a beautiful amazon-themed 10 gallon community tank. It had heaps of fish in it and was looking really nice.
anyway I had a shoal of about six rummy-nosed tetras and they got ich. I think they had it in the shop and it only appeared later. I got the treatment. it said you had to remove the carbon from the filter. at the time I had this really painful canister filter and it was easier to just turn the whole filter off for the two weeks of treatment than disassemble the whole thing to remove the carbon. (if only I'd known..haha)
well after two weeks the tetras were better and I went to turn the filter on again.
It had been sitting there stagnant for two weeks.
within a few hours all the fish were gasping for breath at the surface, or rolling on their sides, except for the bristlenose catfish which simply couldn't suck onto anything anymore...they just sort of drifted around the bottom.
in the two weeks the filter was turned off it had grown some sort of highly toxic bacteria or something. possibly anaerobic.
I lost almost an entire tankful of fish. I think the only ones that survived were my peppered catfish, which have been through thick and thin and died only recently.

I'm never doing that again.
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post #32 of 33 Old 07-07-2010, 08:57 AM
dont know whether this is a mistake but i must have forgotten to close the lid to my arowana tank and my fish jumped out of a 3 inch gap and landed 12 story's down my condo.he was nearly 2 feet over when it happen.

5x2x2 aro,highfin bat,fei feng,ST,albino tinfoil,c.perch
4x1.5x1.5 planted tetras,harlequins,
otto,WMM,2 types of celebes rainbows,rcs,amano, bamboo,red ramhorns,MTS
3.5x2.5x2 flowerhorn,pleco
3x1.5x1.5 russel's lion,blue cleaner,sixline and leopard wrasse,maroon clown pair,green chromis,scorpion,tiger cowrie,turbo,lyretail anthias,jewel,anemone,star polyp,marbled and giant green mushi,zoa
2x1x1 nano sw shrimps
22 May 2012
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post #33 of 33 Old 07-07-2010, 09:38 AM
Inga's Avatar
Well my biggest mistake thus far (I am new to this) has simply been to listen to the wrong people. First by adding fish to cycle the tank then another one was to get all plastic and silk plants. Now 7 weeks into this, I am already changing them out to have real plants.

Stocking compatible fish is hard for me too because everyone seems to have a different idea of what is and what is not compatible. I keep hoping mine will be alright. It seems I dodge one bullet to get hit by another but so far, nobody has gotten hurt so If I can keep that up, it will all be good.

I am careful to alway close my lid on my tank. Reading these stories has ground that into the memory bank. lol
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