Opinions On My Graveyard Tank 40 Gallon Tank

Discussion in 'Freshwater Beginners' started by Anjewmc, May 5, 2019.

  1. Anjewmc New Member Member

    Hi guys new to the site and literally any thread. Bit of a back story to this tank. Long story so bare with me. I painted a house and was asked to take a tank as well if I wanted it so I had a look and what I saw was horrific a green tank with no visibility so I assumed there was no fish inside. she told me there was and I couldn't believe it. There were 4 goldfish. 3 common and a black Moore all around 11 years old. It's a juwel 180l with the curved glass. So I took the poor fish out and emptied it and brought it home filled it with clean water. All of the fish suffered loss of scales, fin rot, dropsy, you name it they had it. I had no idea about this as I had never had fish before so it was a learning curve from them on. So after about 4 years two of the original fish died after years of hospital tanks and treatments. I have the tank about 6 years now and currently have 4 goldfish, two of them are 15 and two are 1 year(rescued from a 5 year old). 3 albino weather loaches and a gold dojo. I also got a ghost koi for a bit of contrast. I done a bit of research and found that loaches can be quite resilient and get on with goldfish. Recently a loach looked like it was choking but I assumed maybe it was a piece of gravel as it was fine later. done a full water change and changed the gravel to natural sand for the loaches and better digestion in general for the tank. The loach started to look bumpy and bent and was swimming weird but still active and eating. After that I treated the whole tank with an anti bacterial medicine and everyone seemed to be fine after two treatments but then the loach rapidly started to deteriorate and eventually died in the hospital tank. So I'm going to attach a few photos and hopefully you guys can let me know if I can improve on some things to prevent this. I have a fluval Filter for 200l and currently oxegenate the tank with the air option. Realistically I never wanted goldfish but these animals are living so long it's amazing I just feel sorry for them as they're quite big. Anyway guys let me know what you think I need a bit if outside opinion sorry if this is in the wrong place oh god IMG_20190505_212226.jpg IMG_20190505_212234.jpg IMG_20190505_212139.jpg IMG_20190505_212144.jpg IMG_20190505_220844.jpg IMG_20190505_212154.jpg IMG_20190505_212158.jpg

  2. Repolie Well Known Member Member

    Hello and welcome! I see in your profile that you don't know about the nitrogen cycle and suggest that you research more about it. Basically all tank inhabitants produce ammonia as waste which is toxic, but you have beneficial bacteria which live in the filter to convert it into nitrites then nitrates which are less toxic and can be removed with a simple water change. There's more to read about so please research more about it.

  3. CandyCane701 Well Known Member Member

    I love it! It looks great! I think you might be overstocked though. What size is it, and how often/much water do you change?

  4. Bubbles_and_Fins Well Known Member Member

    She said it’s 180 liters, so about 57.551 gallons. I’m not a goldfish person so i cant help much, but i figured id add that in! :)
  5. toosie Fishlore VIP Member

    Actually its 47.55 US gallons.

    @Anjewmc welcome to FishLore. It's a nice looking tank. Great advice about learning the nitrogen cycle. Investing in an API master that kit will help us see what effects the nitrogen cycle is having on your tank and the goldfish. :)
  6. Bubbles_and_Fins Well Known Member Member

    Oops! That’s what I meant. Not sure why I put 57. Thank you for correcting me!
  7. toosie Fishlore VIP Member

    Hehehe. You had the last three numbers exact, so I figured your finger missed its target. :D it happens, but there is always a smartie pants waiting in the crowd somewhere.
  8. AquaticJ Fishlore VIP Member

    The blue ones a Koi.

  9. nikm128 Fishlore VIP Member

    Here's my reply to the other identical thread......
    Oh boy, I hate to be the bad guy but I see a few problems here, first being the stock. A 180l/50g tank just isn't big enough for that many common goldfish, definitely not a koi, but the loaches are ok. With that stock you'll have to be doing a 50% or larger water change every other day if not every day. I see on your profile you're not familiar with cycling, read this: nitrogen cycle. I would advise rehoming at least the koi, and 1-2 of the common goldfish.
    Now onto the loaches, they are scaleless fish and just have a slime coat so they are much more sensitive to any type of treatment and a half dose is advised. That is likely a factor in death
    For filtration I'm also sorry to say that you're underfiltered with less that half of the turnover you should have. A fluval 200l filters at best 206gph/780Lph, you want at least 440gph/1665Lph. To get up to that number you should add a hang on back style filter and I would suggest one of these three:
    Marineland 350b
    AquaClear 75
    Seachem Tidal 75
  10. Anjewmc New Member Member

    Thanks for the replies guys I know I still have to learn a lot I'm awaiting some water tests in the mail. To be quite honest I would prefer to have no goldfish, the smaller ones were put into the tank without my knowledge so a five year old wouldn't commit any fatalities and the bigger ones are around 15 years old.

    I change around 1/3 weekly and clean the waste and plant matter from the sand every second day. The fish seem to be happy together and the loaches are running the tank at the moment eating food from the mouths of the other fish.

    Thanks for your reply great information. I'm aware of the stocking two of the fish are not mine and cant find anyone to take them. The koi will be with me until it's too big for the tank and the supplier will take it back. Eventually I don't want to house any goldfish as I'm sick of looking at them but the big ones are too old to part with conciously they're about 6 inches in length and have a great body mass it's amazing. Thanks for your help I'll be learning for a while I think.
    Last edited by a moderator: May 6, 2019
  11. nikm128 Fishlore VIP Member

    Hey, learning is exactly what you came here for:)
    Just be careful you don't wait too long with the koi otherwise it could end up with stunted growth. Usually that means the fish stops growing or the growth slows significantly, while its organs and everything continue to grow normally. Not fun at all
    Some fish/pet stores take adoptions, so if you really don't want the goldfish anymore and you can't find someone to take them, that would be the next place to look. Though I do feel their chances are much better with you than the 20 gallon tank they get put in after leaving the pet store