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Operation Bankruptcy
Are you running carbon in the filter to extract any remaining nasties?
If at first you don't succeed....
...get someone else to do it! Big Grin

Enjoy your fish, shrimps and snails!
Ian

All my posts are from a desktop.
Mobiles are way too complicated for me, although I do have one now. Wink
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Yes, whilst doing a second round of filter cleaning yesterday I put a bag with about 400g of carbon in it (thoroughly pre washed to get rid of all those finings) in the section where the purigen bag was. I also removed the fine floss pad that the purigen bag was sitting on and put a new one in under the bag or carbon. These will be the last sections the water goes through before returning to the tank in the FX6. I also had a carbon impregnated foam pad which I included in the middle section of the 3 stacking sections.
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Tried a quick panoramic shot to squeeze all of it in so it looks a bit weird stitched together but you get the idea

[Image: z2vl1UFl.jpg]

Plus a couple of short videos of the two main areas in what is probably the biggest shrimp tank currently on the forum...

https://vimeo.com/353451269
https://vimeo.com/353451058
[-] The following 5 users Like KevB's post:
  • Annie, Baddams, Gingerlove05, Mito, Risk4reward
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They've got very brave with no fish, maybe they caused the problem..... Wink Smile
If at first you don't succeed....
...get someone else to do it! Big Grin

Enjoy your fish, shrimps and snails!
Ian

All my posts are from a desktop.
Mobiles are way too complicated for me, although I do have one now. Wink
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I'm going to leave them minimal food while I'm away so they might try to scrape some diatoms off my anubias and java fern. Big Grin  As the tank was so quiet I also decided to add a little APS powerhead that I bought ages ago when I first set up the tank. Once the long spray bar was in place I had so much water circulation that it didn't seem necessary but it was just sitting in the box so I thought I might see what difference it makes. Short answer is not very much but I put it in a corner pointing down the back of the tank so that some bolbitis I'm experimenting with get a bit more flow, apparently they really benefit from it. It could have all melted when i get back, its really a soft, low pH water plant but I've read of a few people getting it to survive in hard water so I'm giving it a go.
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If I didn't know what has happened to your tank, I would simply say a stunning tank and looking forward to seeing it develop.

As plankton mentioned, without fish the shrimps get brave and come out, so that is something to enjoy for a while.

Perhaps a little early but do you have any ideas what you'd like to re-stock the tank with after your holiday?
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Not sure. The lfs will have had the surviving 15 or so fish a month by the time I get back so it would be unreasonable of me to ask them to keep them any longer. However it will be a very mixed bunch and most of them won't be in sufficient numbers to form respectable groups. I don't think anyone would probably be interested in taking odd singletons off me if they have come from a 'problem tank' anyway. First job will be to try a couple of test fish to see if the tank is really rid of whatever harmful agent caused the damage, I have no ther way of checking as nothing other than fish have shown any issues. I will check my notes at home of the survivors (if I've got them right, some were so poorly coloured I might have misidentified but I think I know what's left) and post my thoughts later.
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Looking at what should in theory be left (assuming long term survival, not guaranteed by any means) I could base my collection on
C. alleni - if I've identified them right I think all 4 survived (2M + 2F). Not too difficult to get hold of but good ones can be a bit pricey.
C.bleheri - 3 of the original 4 survived (2M+ 1F) though the surviving female had some odd dark marks around the head so may not survive long term so I'd be looking at another female at least, preferably 2. Unfortunately the place I got mine havent stocked them since and the MA I also used to see them at were asking £20 per fish so I never even considered them from there. Very nice fish if they ever get back to full colour.

I have 2 turquoise (M lacustris) left but not sure of sexes, could be 1M + 1F left so I could make that up to a trio once I've checked.

The remaining 3 are singles (denison barb, female M parkinsoni and female G multisquamata). I should really pick up more denison barbs as they are happier in a group. The other 2 will probably have to just stay as singles unless anyone can use them to bolster their own collections. The multisquamata were very nice but losing 3 of 4 (and again I've not seen adults for sale since) means my chances of building that group up again is slim.
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Another big water change yesterday and a clean out of the other main filter (JBL crystalprofi) which was pretty gunky it must be said. Another water change on Thursday and that will be it for 2 weeks until I get back. Hopefully I will get chance for a quick visit to the survivors at the lfs before I go. Having thought more on the purigen fiasco, I think what may have happened is that the toxins in the bleach were trapped by the purigen and not washed out along with the hypochlorite during the dechlorination/washing process. However, when returned to the tank the natural process of the purigen interacting with the 'organics' it is intended to trap has then displaced the toxins which have been released into the water, hence no affect noticed until 3 days after replacing the purigen. To my knowledge Seachem have never published details of the precise identity and mechanism of purigen (presumably because we could probably find an alternative at a fraction of the price) so I can only guess.
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