Can I use pond water to help start my aquarium?

Raegan T asked:


I have over 400 gallons in aquariums and I just got a 100 gallon. I was wondering if I could use my goldfish/koi pond water to help get it t started? The pond is 1500 gallons, so if I filled it up the pond wouldn’t miss it. The pond doesn’t have any problems with algae, the fish are in perfect health and the pond is self-sustaining. I only have a small fountain in the middle to help oxygenate the water.
I have already set up quite a few aquariums successfully. I don’t need anymore education on that.

The water in my pond is balanced. The ammonia, nitrates, ph level ETC are all where they should be. I won’t use spring water, either. It’s no better than tap.
Yes, setting up an aquarium successfully is a good feeling, but I have done so for 5 20 gallons, 2 50 gallons, 2 75 gallons, and 5 10 gallons. After awhile it loses it’s touch.

Yes, I am going it put goldfish in it. I don’t have any in the house yet and I would love to.

17 Responses to “Can I use pond water to help start my aquarium?”

  1. ryan y says:

    urine works better

  2. strawberryice_lb says:

    No I would use Spring Water bought at the store in drugs.

  3. danielle says:

    probly

  4. Susan says:

    I wouldn’t. No way.

  5. M R says:

    I agree, spring water…unless you can get the water tested your setting up your new tank and new fish up for some poss. illnesses…

  6. !CHRISTINE! says:

    hmmm yes you can but make sure it is the same type of fish such as fresh water or salt water you know and just make sure to put fish conditioner in it!

  7. Deborah M says:

    No, you need a good book on setting your fish up right. There is much to know. Go to the library or book store.

  8. realbohemian says:

    No, no. The koi may have bacteria that are unique to them and may harm your new fish! Either use boiled water that has cooled or distilled water from the store.

  9. Scullycj says:

    Fill teh tank with tap water then treat it for PH, and neutraliser. Clhoren will disapate in about 3 weeks. Turn the water jets up as high as they can go, because thiss will break down the chem in tap water..

  10. 55yrsnholdin says:

    I suppose it would be alright, but are you going to put goldfish in a 100 gal aquarium? Isn’t there something really satisfying with setting it up from scratch? I see where you are coming from; it would sure be quicker than waiting to be sure everything was acclimated. I’m about ready to set up another one too. Good luck with your project.

  11. whalegoober says:

    No I wouldn’t. The pondwater could have hidden diseases or micro-organisms in it that could be deadly. I would buy some distilled water from the store. Also, look at some fish books from the library.

  12. Brandon M says:

    yes actually u could i have done it with my 125 gallon. only fill it halfway though!

  13. red_scale_dragon says:

    I never really tried to expriment with that. Try dropping in one useless fish and if it manages to survive a week, you got seccesse. Not much loss even if the fish dies. R.I.P. fishy…

  14. 8 in the corner says:

    I have close to 500 gallons in 25 tanks and when I start a new tank, I use water from many of them, depending on the size of the new tank. I am sure you know not to use distilled water, right. For all you newbies out there, there are no trace elements, that all fish need, left in distilled water (because it is distilled).

    You really only need 50 gallons, or so, of mature water, so a 15-20% water change on each tank would provide enough mature water for your new one. Your old tanks are probably due for some fresh water anyway, right?

    I do a 25-30% change on all of mine every week to ten days. I am just about to set up two new 55 gallon tanks and that is what I will do.

    I don’t see any problem arising with using the pond water if it is as healthy as you say, but it would probably be easier to use the indoor tank water than lugging it from outside, eh?

  15. magicman116 says:

    Since the water carries almost none of the bacteria you want in the new tank what would be the point? Far better to seed your new tank from your other filtered aquaria. Use a bit of gravel from one in the filter for a week or two. That will get the job done far better and faster.

    MM

  16. Cathy B says:

    No, don’t use pond water, it would be pretty risky.

    DONT use spring water. For the most part that is even more risky. For 2 reasons, one being that most spring water still has harmful chemicals in it. 2 is that they aid minirals and all this stuff to it, making it very hard water

    If you have other tanks set up now then use that water, you dont need to fill it up. Hydro the gravel and get some of that dirt in your new tank. If you have another tank with the same size filter then take it out and use it in your new tank.

  17. topman says:

    u can’t put pond water to start your aquarium..pond water is dirty

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