18L Complete coldwater fish tank kit - Tesco Direct - only £15 - p & p applies - HotUKDeals
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18L Complete coldwater fish tank kit - Tesco Direct - only £15.00 - p & p applies

£15.00 @ Tesco Direct
This small 18L tank kit for cold water fish is ideal for beginners, and comes complete with a lid, filter, air pump, gravel, background and plastic plants. It has an 18 litre capacity and comes with … Read More
holly100 Avatar
8y, 4m agoFound 8 years, 4 months ago
This small 18L tank kit for cold water fish is ideal for beginners, and comes complete with a lid, filter, air pump, gravel, background and plastic plants. It has an 18 litre capacity and comes with 2 filter cartridges.

Ideal for the kids
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#1
Quite a nice little tank for that price, would look nice with a few minnows in it i reckon, HOT
#2
hmmmm, depending on which fish i could keep, considering one
#3
Edbug
hmmmm, depending on which fish i could keep, considering one

Well, i personally wouldn't get a goldfish or a fancy goldfish cos it'll outgrow this tank super quick. If you kept the tank somewhere warm like in the living room you'd be able to get away with a few nice little fish. Minnows can be kept really cold but if you kept the tank warm enough (get a cheap aquarium thermometer) you could have a few danios, tetras or guppies i reckon.
#4
The general rule is 1cm of fish (based on their fully grown size) per litre of water.

So you could get 4 danios/guppies/minnows in there (allow approx 5cm per adult fish for each of these). Maybe 5 at a push but you'd need to keep on top of the water quality.

Too small for a goldfish. It'd outgrow it and goldfish produce more waste than most fish so you'd be forever doing water changes in a tank this size ..... and thats just with a single goldfish.
#5
Thanks for all the info guys as the wife wants some fish and i was thinking of this tank but its obviously to small. :thumbsup:
#6
Absolute bargain for a few little fish!
Please - nobody even think about putting a goldfish in this tank as its far too small.
#7
If you wanna fish, buy better frozen cod or get one from chipshop :)

Do not buy so small tanks if do not want your fish to suffer ! Keeping biological balance in such small aquarium is very difficult , even for professionals...Get at least 60-70 litres
#8
I was looking for a replacement tank fto keep my daughters baby guppies in.We have one but want a newer one so have a thermometer already but the cureent one has a light so i assume this one doesn't?

Also you can get a small one like this without a light or thermometer etc from pets at home for around this price anyway
#9
How often would you have to change the water in a tank like this? Or do you just change the filter?
#10
Don't get one the filters **** and not readily available to replace. Grand kids have got one . Fish always seem to be in darkness.
#11
Why do people keep fish as pets?
It ain't much fun for these poor fish swimming around in circles going insane.
#12
TrueOneMike
Why do people keep fish as pets?
It ain't much fun for these poor fish swimming around in circles going insane.


Unless done properly with the correct space per fish amongst other caring measures and the fact that they can live beyond 10 years, i would say they make very good pets.

We're currently in the first week of fishless cycling our tank. Having learned what we need to know on fishkeeping online, i'd like to think we'll offer the fish when we get them a nice spacious place to live. That said we're not using a small tank like the one here. If you want to get this tank please make sure you check which fish will happily live in it for years to come. That way it will be a worthwhile investment and not a waste of money.
#13
TrueOneMike
Why do people keep fish as pets?
It ain't much fun for these poor fish swimming around in circles going insane.


I think gold fish have only got a three second memory so,

ooh look a nice green plastic plant and a sunken pirate ship, not much else in here, I'm getting a little bit bor...............ooh look a nice green plastic plant and a sunken pirate ship, not much else in here, Im getting a little bit bor.............ooh look a nice green plastic plant and a sunken pirate ship, not much else in here, I'm getting a little bit bor...............ooh look a nice green plastic plant and a sunken pirate ship, not much else in here, Im getting a little bit bor,

A life of happiness and fullfilment:)
#14
Some pet shops sell those snails which eat the alge off the side of your tank they are good. They dont live very long though.
#15
http://direct.tesco.com/pi/Enlarge/0/100-8470F.jpg
#16
http://www.teachenglishinasia.net/files/u1/okinawa-aquarium.jpg

Mines better :oops:
#17
sancheez
The general rule is 1cm of fish (based on their fully grown size) per litre of water.

So you could get 4 danios/guppies/minnows in there (allow approx 5cm per adult fish for each of these). Maybe 5 at a push but you'd need to keep on top of the water quality.

Too small for a goldfish. It'd outgrow it and goldfish produce more waste than most fish so you'd be forever doing water changes in a tank this size ..... and thats just with a single goldfish.


I'm guessing that's a typo? The stocking rule is 1 inch per gallon initially, rising to a maximum of 2 inches in a fully matured tank.

Danios are shoaling fish & need to be kept in groups of 6 minimum otherwise they will get stressed. With that size tank (3.96 gallons) you would only be able to have 2 danios initially which is too few.

mamboboy
We obviously always get the elitists who recommend insane tank sizes (100L for one goldfish)

It's not elitest to say that bigger is better for an aguarium, it's just a fact I'm afraid. People would be disgusted if someone kept a horse in a garden shed yet they seem to think keeping fish in a tiny aquarium, swimming in a cokctail of poisens is fine.
#18
The main things to remember about keeping any size aquarium clean is never completely change the water.

Introduce fish gradually (start with only one or two) these will create enough waste for the biological filter process to begin without over loading the filter and subsequently leaving you with a mucky unhealthy tank. Then by building up the bacteria in the filter medium and frequent partial water changes daily for the first few weeks until the levels are correct for the bacteria in the medium to consume the harmful stuff the filter sucks in. Testing kits are not expensive and save a lot of dead fish!!! Only when the levels are right should you add more fish.

Never change the filter medium completely and never wash all the medium in clean water at one time, always divide the filter medium washing half in tap water until clean and the other half in tank water, this will enable the vitally important bacteria in the filter medium to survive and therefore continue to act as a biological filter and clean the tank. Washing the whole filter medium in tap water would render the filter useless and you will be back to square one.

Its a lot like the natural flora and fauna that occurs in the body, its just reaching that balance, you will then have an aquarium you rarely have to clean and a filter which only needs attention every month or so.

I personally dont think this aquarium would be very much use to anyone wanting to keep more than one or two fish or so, you would soon be looking for a larger aquarium. Goldfish produce more waste and tend to grow quite large (contrary to belief they do not grow to the size of the tank, but way beyond that) than small tropicals but of course tropicals need warmth, I would pay more and get something bigger, unless you know you are going to be satisfied with a couple of fish at most .

Happy fish keeping.;-)
#19
What kind of fish (and how many) could I keep in this sort of tank?

TIA!
#20
Noctu
What kind of fish (and how many) could I keep in this sort of tank?

TIA!


In my opinion, (although I am sure others will have their own) one maybe two coldwater fish (goldfish) but as they produce more waste and grow, you would need to keep a close eye on the nitrites (as I previously detailed) the filter and water quality would have to be monitored closely or you would end up with a mucky tank and possibly dead fish. The larger they get the more waste they produce so eventually they would be likely to out grow the tank, this can take months or years no way of telling.
With small tropicals (guppies etc) you would need to add a heater and even then as others have said maybe 4-5 at most again checking the levels, they produce less waste but small tropicals tend to have quite short lives as a rule. Goldfish can live for many years .
so you see...its a bit like how long is a piece of string, but hope this helps.:thinking:
#21
Algae is good for a tank, but once it gets out of control it'll become toxic to the fish...


That's not true.

..fish need around 8-9 hours of light a day.


Nor is that.
#22
Hunters Reach
In my opinion, (although I am sure others will have their own) one maybe two coldwater fish (goldfish) but as they produce more waste and grow, you would need to keep a close eye on the nitrates (as I previously detailed) the filter and water quality would have to be monitored closely or you would end up with a mucky tank and possibly dead fish. The larger they get the more waste they produce so eventually they would be likely to out grow the tank, this can take months or years no way of telling.
With tropicals you would need to add a heater and even then as others have said maybe 4-5 at most again checking the levels, they produce less waste but small tropicals tend to have quite short lives as a rule. Goldfish can live for many years .
so you see...its a bit like how long is a piece of string, but hope this helps.:thinking:



There's a lot to learn it seems.. I'd be happy with just a couple to be honest :) thank you for the advice.
#23
Noctu
There's a lot to learn it seems.. I'd be happy with just a couple to be honest :) thank you for the advice.


Your welcome.
I laughingly refer to my fish keeping hobby as the nearest thing to practical science I have ever done!
#24
empyphil
http://www.teachenglishinasia.net/files/u1/okinawa-aquarium.jpg

Mines better :oops:

Crikey...I dont fancy doing your partial water change!!!!;-)
#25
Macko
I'm guessing that's a typo? The stocking rule is 1 inch per gallon initially, rising to a maximum of 2 inches in a fully matured tank.


In a small tank, where only small, thin bodied fish, which don't produce a lot of waste, 1cm per litre is acceptable if you look after the tank properly. Most definitely not for goldfish though - but you shouldn't be putting goldfish in a tank this small.

I agree though that you'd have to introduce the fish one at a time though which wouldn't be ideal for danios, but can be done. They're hardy little fish, and often used to cycle new tanks. People buying a tank like this (much as you may dislike hearing it) often just fill it with water and plop a handful of completely unsuitable fish in there. You're not going to get many people that buy this tank doing a fishless cycle for the first month I'm afraid. Little Johnny doesn't want to be staring at a plastic tub full of nowt but water for a month now does he ....

Introduced over several weeks, and properly maintained, I think you could happily keep 4 danios in there.

Certainly better that than 6 goldfish going in there into untreated tap water .... :/
#26
The tank is very small if people want a tank look on ebay for a bigger one with a light.
#27
2 minnows at best. Personally I would never use something like this, it's way too small to have any impact.

Here's mine. I've upgraded since I took those pics to an Eheim external from the Fluval and a JBL Proflora 2 CO2 setup with refillable bottle. I am soon to set up a nano reef tank :)

http://i8.photobucket.com/albums/a13/simate/My%20Fish/plants.jpg?t=1235342667

The gear that runs it

http://i8.photobucket.com/albums/a13/simate/My%20Fish/The-Equipment.jpg?t=1235342710
#28
Do you fine the Eheim external better. Looking for an external for my small 65L tank in my bedroom. Not sure what to go for a eheim or fluval
How long does the co2 bottle last want to upgrade from my diy one.
Nice Looking tank want to do my 165L as a planted tank
#29
empyphil
http://www.teachenglishinasia.net/files/u1/okinawa-aquarium.jpg

Mines better :oops:


Not a specle on mine !

http://imagecache2.allposters.com/images/pic/NYG/78027~Great-White-Shark-Posters.jpg
#30
*Joanne*;4459568
Do you fine the Eheim external better. Looking for an external for my small 65L tank in my bedroom. Not sure what to go for a eheim or fluval
How long does the co2 bottle last want to upgrade from my diy one.
Nice Looking tank want to do my 165L as a planted tank


I found the Eheim a MUCH better quality filter overall, they cost more than Fluvals but the quality shows, they are like the Bentley of filters.
I run my CO2 at 6 bubbles per minute @ 11 hours per day, a 500g bottle lasts me around 6 months or so, only £12 for a refill.
#31
I know this one is usually used for children, just warning to anyone considering a smallish tank, they are addictive, and you will want bigger and better soon!

I started with a second hand 'standard 4 ft tank' and within 6 months I had upgraded to a 305L corner tank like this one...

http://www.cupargardencentre.co.uk/acatalog/UFO880sv.jpg

Seriously though, fish keeping is a very enjoyable hobby and once you see 'your' first babies arrive on the scene, you will know just how rewarding it can be as well.
#32
simate - don't know whether it's not visible on the picture, but you really need a drop checker if you're using pressurized CO2.
#33
gratts
simate - don't know whether it's not visible on the picture, but you really need a drop checker if you're using pressurized CO2.


Nah, don't need one of those at all. A digital PH controller is better but again not needed. I;ve done this for years, never had a problem.
#34
simate
Nah, don't need one of those at all. A digital PH controller is better but again not needed. I;ve done this for years, never had a problem.


Hmm, you really do!
A drop checker is totally different to a ph controller, they serve different purposes.
Without a drop checker there is no way of knowing how much CO2 you're actually dissolving in the water, whether you're overdosing and harming the fish or underdosing and possibly encouraging algae, and whether distribution of CO2 around the tank is even. Without it you're basically guessing/hoping ;-)
Have a read.
#35
May I introduce you to Copy and Paste:

http://i40.tinypic.com/258qki9.jpg

Copy is the black one (black moor?), Paste is the goldy-silvery one (not sure what type it is).
#36
gratts
Hmm, you really do!
A drop checker is totally different to a ph controller, they serve different purposes.
Without a drop checker there is no way of knowing how much CO2 you're actually dissolving in the water, whether you're overdosing and harming the fish or underdosing and possibly encouraging algae, and whether distribution of CO2 around the tank is even. Without it you're basically guessing/hoping ;-)
Have a read.


Lol, I know all that and what a drop checker does, but I've kept fish for around 12 years, you get a feel for things. I have virtually zero algea, strong plant growth and healthy fish. It's all good.

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