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Guppy Problem
#1
Hi all first post for me.

I have a 90l tank
Amonia-0.25
PH- 7.4
N.trite-0
N.trate80 plus. But hight from tap.
GH-180
KH-120
Temp-25.9

I lost a guppy last week, he went very thin and his tail went into a point. I noticed another has the same problem, on advice from LFS I have dosed with AquaCare anti-internal bacteria every other day for 4 doses currently on dose 2. The guppy is still the same. I have now also noticed that another guppy has what I think is fin rot. His tail is disappearing very quickly. I have got some AquaCare fin rot meds can I put this in the tank now or do I have to wait to finish the other meds. Have removed carbon filter. the tank has been running 6mths.

Thanks
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#2
Hello and welcome to Smile
Sorry to hear of your issue. How long have you had the guppies? Unfortunately they’re not the hardiest of fish.
What are your tap water results for ammonia and nitrate? This should help give you a baseline of what to expect with your tank water (for example my water still shows a slight green tinge on the test, but its like that from the tap as well).
Only other thing i notice is that you do have it quite warm for guppies, they would prefer a cooler temp around 22/23C, higher temperatures increase metabolism and can shorten lifespans.
 😇 Heaven doesn’t want me...
And Hell is afraid I’ll take over! 😈
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#3
Sounds like you brought your fish from Maidenhead Aquatics
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#4
Hello and welcome.

First thing I noticed is that you have an ammonia reading - that should always be 0. Having ammonia means they're swimming in their own waste and basically getting acid burns. 

Secondly, as GL already pointed out, guppies are not the hardiest of fish anyway nowadays and they do prefer somewhat cooler temps.

Perhaps you could tell us more about your tank: you said its been running for 6 months. How did you cycle it? What other fish do you have in the tank? Does the tank have live plants? Have the guppies been with you from the start? 

The more details the better  Smile
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#5
Welcome to the forum!

Hope you manage to find a solution soon.
Fluval 240L with 306. Water 1.68 dGh. 

19 Harlequin Rasbora, 15 Rummynose Tetra, 10 Panda Corydoras, 2 Bolivian Rams and 2 Amano shrimp.
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#6
(09-09-2019, 04:18 PM)bhafc1 Wrote: Sounds like you  brought your fish from Maidenhead Aquatics

Not sure how helpful that is.
Fluval 240L with 306. Water 1.68 dGh. 

19 Harlequin Rasbora, 15 Rummynose Tetra, 10 Panda Corydoras, 2 Bolivian Rams and 2 Amano shrimp.
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#7
I get the same  Ammonia reading and my tank is nearly 3 years old and over filtered, mine is caused from ammonium in my tap water, don't know a lot about guppies but a lot say they are weak due to over breading, I can't keep them myself as I have angles and sharks so they would be expensive fish food.  
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#8
(09-09-2019, 04:18 PM)bhafc1 Wrote: Sounds like you  brought your fish from Maidenhead Aquatics
I did  is there a problem with them??
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#9
I find that keeping guppies at a slightly lower temp is better for me. I keep them at around 23 C. Not saying that is the issue but may help if they’re the only fish in the tank.


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#10
(09-09-2019, 04:18 PM)bhafc1 Wrote: Sounds like you  brought your fish from Maidenhead Aquatics

Not sure what is meant by that comment.

Quote:Temp-25.9

The tank water temperature is too high for guppy long-term, 21/22C is better long-term.
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