Dirty Tank Problems...

[Chameleon]

We've got a six month old tank - 6 mollies (4 of which are 6 month old), 6
guppies and 3 clown loach...

All seems fine but after puttnig the loach in we lost a guppy and baby molly
within a day or two - never seen again - coincidence?

Also, the tank is 'natural'. Sand at the bottom, few live plants but they
get covered in a black sludgy algae which does wash off. Any ideas how to
get rid of the gunky stuff???

P

[Dinky]

"Chameleon" > wrote in message
...
| We've got a six month old tank - 6 mollies (4 of which are 6 month
old), 6
| guppies and 3 clown loach...
|
| All seems fine but after puttnig the loach in we lost a guppy and
baby molly
| within a day or two - never seen again - coincidence?
|
| Also, the tank is 'natural'. Sand at the bottom, few live plants
but they
| get covered in a black sludgy algae which does wash off. Any ideas
how to
| get rid of the gunky stuff???
|
| P
|
|

In order to do anything besides guess, I could use some more info on
your setup.

1:Size of tank?
2:What type of filtration?
3:Maintenance regimen?
4:What are the water parameters? Nitrites, Nitrates, temp, ammonia
etc...
5:What kind of Lighting? Many plants are very demanding light-wise
and can do some disgusting things when they start giving up.

One guess i will make, is that perhaps your tank did not have
sufficient biological filtration to handle the additional
inhabitants. I'd be willing to bet a couple Cabomba that your
ammonia, and perhaps nitrite are now high, and these poisons took
your weaker fish.

pls post back.

billy



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[Chameleon]

"Dinky" > wrote in message
...
>
>
> "Chameleon" > wrote in message
> ...
> | We've got a six month old tank - 6 mollies (4 of which are 6 month
> old), 6
> | guppies and 3 clown loach...
> |
> | All seems fine but after puttnig the loach in we lost a guppy and
> baby molly
> | within a day or two - never seen again - coincidence?
> |
> | Also, the tank is 'natural'. Sand at the bottom, few live plants
> but they
> | get covered in a black sludgy algae which does wash off. Any ideas
> how to
> | get rid of the gunky stuff???
> |
> | P
> |
> |
>
> In order to do anything besides guess, I could use some more info on
> your setup.
>
> 1:Size of tank?
> 2:What type of filtration?
> 3:Maintenance regimen?
> 4:What are the water parameters? Nitrites, Nitrates, temp, ammonia
> etc...
> 5:What kind of Lighting? Many plants are very demanding light-wise
> and can do some disgusting things when they start giving up.
>
> One guess i will make, is that perhaps your tank did not have
> sufficient biological filtration to handle the additional
> inhabitants. I'd be willing to bet a couple Cabomba that your
> ammonia, and perhaps nitrite are now high, and these poisons took
> your weaker fish.
>
> pls post back.
>
> billy

Sorry!

25 Gallon tank (Juwel rio?)
Normal Juwel filter system (micro)
20% water change once a week
Nitrates/nitrites all well within acceptable levels.
PH is 7.5 ish
Lighting again is normal juwel supplied two tubes.
Temp around 28