nudge Posted April 26, 2014 Report Share Posted April 26, 2014 My little girl came home with a goldfish bowl and goldfish. After many lengthy conversations I have convinced her that goldfish don't like living in bowls and we have got a 2nd hand 60L tank for bubbles. I know squat about goldfish, I was thinking of getting a small sponge filter for the tank or if anyone has any better suggestions for a cheap filter. Tank is 660x300x300. Am i ok doing 20L wc x2 per week as i have read goldfish produce a lot of waste. Any pointers greatly appreciated. Quote Link to comment Share on other sites More sharing options...
Adrienne Posted April 26, 2014 Report Share Posted April 26, 2014 Goldfish are incredibly messy fish so you are really going to have to watch out for the ammonia spike which will happen, probably in 4-7 days. I really don't know what to suggest for a cheap but effective filter, possibly an under gravel one might work quite well along with the water changes. Its great you have gotten a much better sized tank for it. Only other thing I can suggest is that the type of food it should be eating depends on the type of goldfish. If its a fancy one then it will have its swim bladder fairly tightly compressed and will need sinking rather than floating food (flakes). Try posting in the coldwater section perhaps. Quote Link to comment Share on other sites More sharing options...
nudge Posted April 26, 2014 Author Report Share Posted April 26, 2014 cheers will give that a whirl Quote Link to comment Share on other sites More sharing options...
snookie Posted April 26, 2014 Report Share Posted April 26, 2014 Fancy goldfish are addictive.... Quote Link to comment Share on other sites More sharing options...
nudge Posted April 26, 2014 Author Report Share Posted April 26, 2014 we'll see Quote Link to comment Share on other sites More sharing options...
Adrienne Posted April 26, 2014 Report Share Posted April 26, 2014 This is a general comment as you have given the fish a decent sized home The trouble with goldfish is that to give them a chance of a healthy life each fish requires about 50 litres of water. Goldfish can live 10 - 15 years in optimum conditions which means enough space, good food, good water. They can get really really large ie 30cm. Quote Link to comment Share on other sites More sharing options...
Caryl Posted April 27, 2014 Report Share Posted April 27, 2014 Are we talking about a comet or something fancy? Comets really need to be in a pond in my opinion. Under gravels are not good as goldfish can dig up the plates and it gets messy. A box filter in the corner would work well and easy to see when it needs cleaning. Otherwise, have you any HOB filters lying about? Find a local waterway that has good clean oxygen weed and keep adding fresh (the goldfish will destroy/eat it). How big is the fish? If it is still small, you can cut back on those water changes. I would do 10L (one bucket) weekly. Quote Link to comment Share on other sites More sharing options...
nudge Posted April 27, 2014 Author Report Share Posted April 27, 2014 I know the goldfish is wrong for the tank, i am trying to convince her to swap it for some type of tetras but for the meantime bubbles seems to be staying. He/she is small bout 4cm looks like some kind of fantail. I will see if i can dig up an old hob filter, until i get that sorted will 2 x 20% wc with a gravel vac every week be ok? Quote Link to comment Share on other sites More sharing options...
Caryl Posted April 27, 2014 Report Share Posted April 27, 2014 The water changes you are doing will be fine. Quote Link to comment Share on other sites More sharing options...
BikBok Posted April 27, 2014 Report Share Posted April 27, 2014 where did the goldfish come from? A few years ago, my daughter did something similar, arrived home with a little goldfish from her friends pond and a bowl to pout it in. Realizing that a bowl is no place for a goldfish we soon re homed it with the promise to replace it with tropicals... several years and 4 tanks later we have an array of tropicals to care for! Quote Link to comment Share on other sites More sharing options...
nudge Posted April 28, 2014 Author Report Share Posted April 28, 2014 same story, bowl came from the next door neighbours. Hopefully i can convince her to change it to a tropical tank. On another note, tank has been upgraded to 730Lx380wx380H so bout 100L Quote Link to comment Share on other sites More sharing options...
nudge Posted April 29, 2014 Author Report Share Posted April 29, 2014 got a feeling this is gonna be a stupid question but will a seeded filter from my african tank work on my girls goldfish tank. i imagine the temp change would kill off tyhe bacteria in the filter? Quote Link to comment Share on other sites More sharing options...
SanityChelle Posted April 29, 2014 Report Share Posted April 29, 2014 I think it's water movement that keeps good bacteria alive. I wouldn't think the temperature change would kill it off. Just a guess, though. Quote Link to comment Share on other sites More sharing options...
calculator Posted April 29, 2014 Report Share Posted April 29, 2014 temperature change might nock it back a bit, but I would imagine it be better then starting from un seeded. Good to see you are getting an appropriate tank for the goldfish. Quote Link to comment Share on other sites More sharing options...
Caryl Posted April 29, 2014 Report Share Posted April 29, 2014 I used goldfish to cycle my African tank filter then removed the goldfish and turned on the heater. As far as I know the bacteria were all fine. As you are in Auckland I can't see the temperature difference great enough to cause any major problem. Quote Link to comment Share on other sites More sharing options...
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