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I'm new, but I've been reading advice on here for awhile now. The experience and knowledge is invaluable! I've had the "working" ponds for 20+ years, no problems, but I am new at Koi ponding- and at the moment I am quite perplexed! First, what kind of filter for a 900 gallon pond? Second should I put rounded creek gravel in the bottom? My pond is constantly mucky even though we clean the filter every 2 or 3 days, so much so that I can't see my fish! Thanks for any and all help with this problem.
 
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Welcome to the posting side of the forum :)

Rocks/ gravel, in the bottom of ponds, is a personal choice....some like it and some don't. I started with it, but removed it and prefer it without the rocks/ gravel.

Koi are always rooting around on the bottom of our ponds, so will stir up any debris / mulm, on the bottom of your pond.

What kind of filtration are you currently running and how many koi are in your 900 gallon pond ?

Again, welcome :)
 
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Welcome to the posting side of the forum :)

Rocks/ gravel, in the bottom of ponds, is a personal choice....some like it and some don't. I started with it, but removed it and prefer it without the rocks/ gravel.

Koi are always rooting around on the bottom of our ponds, so will stir up any debris / mulm, on the bottom of your pond.

What kind of filtration are you currently running and how many koi are in your 900 gallon pond ?

Again, welcome :)
 
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Thank you, tula. I have 2- 10" Koi and 3- 2 inch goldfish. I have a flat box type pre-pump filter, the pump runs 1,200 GPH.
 

sissy

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welcome and are you planning om building a bigger pond for the koi .That is a small pond for koi and the resulting babies .My koi are over 2 feet long and in 5000 gallons
 
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welcome and are you planning om building a bigger pond for the koi .That is a small pond for koi and the resulting babies .My koi are over 2 feet long and in 5000 gallons
My koi have been together since I got them. I think they are both female, so hopefully no babies! We weren't planning to enlarge it, we just finished building it 2 weeks ago.
 

sissy

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then you may need aeration and a really good filter and may need to only feed them 2 or 3 times a week once muck starts to grow .If they are long and lean they are males if if fatter in the middle females .I have 2 home made filters and an aerator and only 14 fish
 
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Koi will spawn with goldfish.....so you could have babies, referred to as hybrids.

Could you post some pictures of your pond and filter? It'll better help us, help you :)
 

j.w

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@Gammer I myself would not do rocks on the bottom. Too much cleaning for me as the rocks can gather gunk between them and hard to get out w/a net or filter. The filter you have may not be big enough for koi in that size of pond.
 

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