I currently have a Red Eyed Tetra, A Male and female Platy, (the only survivors)

Everything else we seem to buy drops dead, a few of our female guppies died, and shortly after we noticed little baby guppies in the tank, which seem to be thriving.

What could be causing any new additions to die? We have already used some Water Treatment that our local aquariam recomended as a just in case.

We are getting tierd of buying fish just for them to drop like wildfire and die.
I will Get the water tested as soon as i can!!!
Our tank is planted with live plants that also seem to be absolutley thriving (and growing pretty well)

Any Advice would be greatly appreciated

Take a sample of the water to pets at home and they will test it for free

What size is the tank?
Where do you buy your fish from?
Do you 'float' the bags for 10-15 mins before letting the fish in the tank?


I find that you can either keep guppies, or you can't. Something to do with your water but if you find your guppies are dying then don't get them- they can be quite sensitive. I used to be able to keep them before I moved, I had them for ages. But now I can't seem to keep them alive!

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did you cycle?

I will take a sample to pets at home and get them to write the results down for me, thanks

60X30X30 54l (Size)

WE Buy our fish From The Garden center near us (it has a specialist tropical fish Section)

And We allways leave them in the bag for at least 20minutes.

Its not just the guppies that seem to be dying, Weve had plecs, Neon Tetras, Zebra Danios, Glowlights and other community fish.

Yep We Cycled Fishlessly Before setting up , We were advised to do so for a week

Im guessing youre measuring in cm not inches

What fish do you have now?
It might be worth selling/rehoming/having someone look after in a different tank and starting again.

Wash all the gravel thoroughly and the tank. (Only use warm water)
Replace the sponges in the filters.
But a complete water testing kit online.
Add a pinch of fish food every few days to help the filter.
Keep doing water tests.

I would leave it maybe for 2 weeks thats how ling I had to leave my 2ft when I first set it up then took water to P@H to test then bought some fish.

It could be anything from a high clorine level in your tap water to something that got brought in with one of the fish.

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a week isnt long enough for it to build up good bacteria in a tank.....

can take weeks - mine took a good 4/5 weeks....

i suggest you google 'cycling' buy ammonia and do it likethat (and take the fishback as they will probably die now anyhow...)

Mate these have been in the tank for nearly 4 weeks and have no signs of illness


I currently have a Red Eyed Tetra, A Male and female Platy, (the only survivors)

Who show no signs of illness , however whenever i buy a new batch of fish, the new batch always seems to die , Ill get the water checked and try everything you guys have suggested

Just an update Everything Died, So We Emptied all the water out, Cleaned all the gravel with hot water.(filter was cleaned)

We have since started again, Still finding Guppies drop dead on us
( Test kit shows everything is within safe ranges)(Is planted)
(We left it to cycle for a month(no fish just adding small amounts of feed)
We however do have a plec, and 6 mollies in the tank.

The Mollies appear to be thriving as well as breeding.(Currently fed flakes,and bloodwrm pellets)(The fry get powdered flakes (Flakes crushed into powder)(they seem to hunt for the pellets the bigger fish haven't noticed)

The plec gets Sinking pellets and also seems to eat bloodworm pellets...


A few months on and we havent put anything else in the tank yet,Keep saying We are going to, but never get round to it.

Can anybody suggest any Other fish that should be okay with the Mollies, I know Neon Tetras should be fine with them, But Small LOL



I was considering buying another plec to keep the current one company, is this a good idea?

platys, danio, Tetra, guppys some barbs or if not sure just ask you LFS

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A dog comes when you called - a cat takes a message and gets back to you.

red eye tetra are generally quite hard to look after. you may find its not you thats killing them it may be due to the Shop you brought them from x