Which Is More Dangerous?

Recently (about 9 days ago) discovered that the water in my 50L tank has v high nitrates - 250! Have done 3 water changes of around 10-20% and now the readings are Ammonia 0 Nitrites 0 Nitrates around 160-200. There are 2 angels and a torpedo living in this tank and have been for around 18 months (long story)

As their current home iss clearly an innapropriate size I have a 200L tank currently cycling which I have already posted about on here. It is now going well and I planted it up this morning.
The new tank reads a healthy nitrates 5, but nitrites are at 0.25 and ammonia is at 0.25.

I am waiting patiently to rehome my angels into the new tank and want to know if I can move them yet. Is it best they continue in the small tank with high nitrites but no ammonia until the new tank has zero ammonia? or to move them now to the new tank with low nitrates but a slight ammonia reading?

There will be none left in the 50 litre initially. It currently houses only the 2 angels and torpedo. I will be finding something more appropriate to put in as soon as I can though. But it will probably do it good to run empty for a while

Someone on another forum said its toxic and not to move them yet. (More toxic than being in a tank with nitrates through the roof I guess

Quote from: Lellynelly on November 19, 2016, 07:56:34 PM

Someone on another forum said its toxic and not to move them yet. (More toxic than being in a tank with nitrates through the roof I guess

No offence, but torpedo barbs need to be in groups, and much cooler than Angels.

Yeh I know. It was in the tank with the 2 angels when I bought it. The local aquarist doesnt want it and I cant bring myself to kill it. The 3 fish have lived together for about 18 months.

Quote from: Lellynelly link=topic=2784.msg30920#msg30920
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The local aquarist doesnt want it and I cant bring myself to kill it.

I thought I'd mis-read this!  I would hope no-one would ever even contemplate such an act.   

If a fish isn't suitable, for whatever reason, then there is always the option to re-home it. Aquarist-classifieds.co.uk is great, and can be advertised in own region, and maximises the likelihood that the fish will go to a good home (rather than advertising via a generic type of paper/listing/website such as gumtree).

Thanks. i don't know any other fishkeepers and I've never heard of Aquarist-classified.co.uk. Thankyou. Will have a look

@Lellynelly when considering rehoming a fish please remember that there are a lot of us around who are happy to take on fish that are no longer suitable for their current homes, but would fit in with some of our own set ups.
I have driven from Cambridgeshire to collect 2 dwarf puffers from the south coast this year. I admit to having a very soft spot for dwarf puffers, and was dropping a spare tank to a friend in Kent, so managed to arrange a round trip on the same day. All you need to do is find the right people with a soft spot for the particular fish that need rehoming, and they will go to great lengths to make sure that the fish will have a happy home.

@Sue no need for  as you have offered so much awesome advice and support to all of us, and the good thing about a forum is that people can add to that and include additional advice as @hampalong has.
I would not have learned as much as I have in the past 12 months without this forum and the people contributing to it, and happily continue to learn from all of the experience available. 

Well I did a 10-15% yesterday, and another today, in the 50L and currently the nitrates stand at around 100, so that's a huge improvement. will continue with small and often this week. I'm hoping I may be able to get them low enough slow enough to give the angels a smooth transition into 200L. The ammonia in the 200L is now somewhere between 0 and 0.25 (Difficult to be exact with a colour chart) so it is dropping. fingers crossed.