Water Changes.

[John.....]

Hi,got a 15 gallon hex tank.I have 4 goldfish and one
orange platy in it.(the platy was bullying my fish in my
tropical tank,so instead of disposing of it,I put him in with
the goldfish.and yes,he's doing ok)
I just fitted an undergravel filter with a powerhead and also
have a airpump running.
The powerhead runs at 150 litres an hour.
How often should I change the water?

John





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[Bill Stock]

"John....." > wrote in message
...
> Hi,got a 15 gallon hex tank.I have 4 goldfish and one
> orange platy in it.(the platy was bullying my fish in my
> tropical tank,so instead of disposing of it,I put him in with
> the goldfish.and yes,he's doing ok)
> I just fitted an undergravel filter with a powerhead and also
> have a airpump running.
> The powerhead runs at 150 litres an hour.
> How often should I change the water?
>
> John

That's a lot of GF for 15 gallons. I have my five in a 55 gallon and I've
had to go to water changes every three or four days to control Nitrates.
The RUGF is coming out when they get moved to their new tank.

I believe the standard recommendation is 20 to 25 percent weekly.

[Geezer From The Freezer]

"John....." wrote:
>
> Hi,got a 15 gallon hex tank.I have 4 goldfish and one
> orange platy in it.(the platy was bullying my fish in my
> tropical tank,so instead of disposing of it,I put him in with
> the goldfish.and yes,he's doing ok)
> I just fitted an undergravel filter with a powerhead and also
> have a airpump running.
> The powerhead runs at 150 litres an hour.
> How often should I change the water?
>
> John

Considering you are massively overstocked I would suggest
25% 2 or 3 times a week.

[John.....]

"Geezer From The Freezer" > wrote in message
...


> Considering you are massively overstocked I would suggest
> 25% 2 or 3 times a week.

Massively overstocked, 4 small goldfish and an even
smaller platy?
Does 1 goldfish require 15 gallons of water all to itself?

John




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[Bill Stock]

"John....." > wrote in message
...
>
> "Geezer From The Freezer" > wrote in message
> ...
>
>
> > Considering you are massively overstocked I would suggest
> > 25% 2 or 3 times a week.
>
> Massively overstocked, 4 small goldfish and an even
> smaller platy?
> Does 1 goldfish require 15 gallons of water all to itself?
>
> John
>
GF are big eaters and therefore big poopers. The standard recommendation is
10 gallons per GF or 3 gallons per inch of fish. So 4 2" GF would give you
24 gallons. The 40 gallon number is there because GF grow very quicly, so
they won't be 2" for long.

I have five GF in a 55 gallon tank and it is barely adequate. But the one
fish is more than 2" deep (not long) and the rest are all medium to small.

[Lilly]

Yes, overstocked you are! I keep 4 (a good sized oranda and three
medium size deep bodied ryunkin/fantail types) in a 75 gallon tank
and I consider that crowded. Opinions vary, but I've read anything
from 10 gallons (which I consider to be bare minimum) to 30 to 40
gallons per goldfish.

In this case, more is always better. A hex tank doesn't have as much
surface area either, so you may be short on that too. Surface area is
important for gas exchange, read getting the bad gasses out, and
oxygen in.

You could keep a few small (at adult size) tropicals in that hex. Do
your goldfish a favor and get them a 55 gallon tank! It's that or you
will probably loose some. Or you will wind up doing the "step up"
method and buy ever larger tanks for the goldfish. It's a myth that
they will only grow to their tank size. The reality is that they will
be stunted because of their tank size.

You wouldn't jam a cat or dog into a small pet carrier for the rest of
it's life would you? In essence that is what the 15 gallon hex is to
the goldfish.

Sorry to be so blunt.

Lilly

"John....." > wrote in message >...
> Massively overstocked, 4 small goldfish and an even
> smaller platy?
> Does 1 goldfish require 15 gallons of water all to itself?

[Kay]

>>Considering you are massively overstocked I would suggest
>>25% 2 or 3 times a week.
>
>
> Massively overstocked, 4 small goldfish and an even
> smaller platy?
> Does 1 goldfish require 15 gallons of water all to itself?
>

They grow to be very large. A small tank will not curb thier growth. It
will cause harm and early death due to waste build up. They need lots of
room. Some say 20 gallon a goldfish. And the platy will have problems
with the goldfish. They should not be in the same tank. If the goldfish
are small, this might be a great time to shop for a larger tank and you
can keep platys in the 15 gallon. Or If you don't want the larger tank,
you can bring the goldfish in to a petstore and get a few more platys.

Kay

[Tom L. La Bron]

The Rule of Thumb, that states one Goldfish per 10
gallons assumes that you have a filtration system up
and running.

If you have no filtration you need at least 25 gallons
per Goldfish, but that is only if you have a every
thing set up for a balanced aquarium.

Tom L.L.
--------------------------------------------------
Lilly wrote:
> Yes, overstocked you are! I keep 4 (a good sized oranda and three
> medium size deep bodied ryunkin/fantail types) in a 75 gallon tank
> and I consider that crowded. Opinions vary, but I've read anything
> from 10 gallons (which I consider to be bare minimum) to 30 to 40
> gallons per goldfish.
>
> In this case, more is always better. A hex tank doesn't have as much
> surface area either, so you may be short on that too. Surface area is
> important for gas exchange, read getting the bad gasses out, and
> oxygen in.
>
> You could keep a few small (at adult size) tropicals in that hex. Do
> your goldfish a favor and get them a 55 gallon tank! It's that or you
> will probably loose some. Or you will wind up doing the "step up"
> method and buy ever larger tanks for the goldfish. It's a myth that
> they will only grow to their tank size. The reality is that they will
> be stunted because of their tank size.
>
> You wouldn't jam a cat or dog into a small pet carrier for the rest of
> it's life would you? In essence that is what the 15 gallon hex is to
> the goldfish.
>
> Sorry to be so blunt.
>
> Lilly
>
> "John....." > wrote in message >...
>
>>Massively overstocked, 4 small goldfish and an even
>>smaller platy?
>>Does 1 goldfish require 15 gallons of water all to itself?

[marcos]

"John....." > wrote in message >...
> Hi,got a 15 gallon hex tank.I have 4 goldfish and one
> orange platy in it.(the platy was bullying my fish in my
> tropical tank,so instead of disposing of it,I put him in with
> the goldfish.and yes,he's doing ok)

BeeJayzus lad!! 4 goldfish and a platy in a 15 gallon tank??! I have
"3 small goldfish" in a 70 litre tank n thats even about enough. I'd
say u shud probably get a new more gi-normous tank or they'll
suffocate in their own excrements.
(hey my name's john too)
john

>I just fitted an undergravel filter with a powerhead and also
> have a airpump running.
> The powerhead runs at 150 litres an hour.
> How often should I change the water?
>
> John
>
>
>
>
>
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>
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> Version: 6.0.738 / Virus Database: 492 - Release Date: 16/08/04

[[email protected]]

do as many water changes as necessary to keep nitrates at or below 20 ppm
Ingrid


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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