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The new Sequence 750 pump and the priming pot arrived so I started to try installing them. A couple of initial observations. (1) the pump is ...

Has anyone done a DIY Zakki build? Here's one....

For the next MVP, I'd like to nominate another long time member of the forum which has taught us a lot of useful information: RichToyBox Thank you...

Hello everyone. Hope to get some advice and continue growing in the hobby. I have been in the saltwater hobby for over 20 years and recently made...

I'm going to have an over stocked pool and wanted to know which pump to use for my situation, a 3500 gph, 7000 gph or 9000 gph? I also like the idea...

Tancho hand towel and koi coin. I’ll draw a winner from posts On this thread. Towel is royal blue.

Hi back ground is 4500 gallons pond dropped 1 foot if water in 8 hours waited till it stopped at 2 foot lower found several small zig zag type hole...

My pond is a balmy 80 degrees F and has been +/-2 degrees since the second half of June. I've considered adding about 50lbs of ice every 3 days...

I still see lots of questions here on basic water quality. This article may help many of you: https://hanoverkoifarms.com/the-science-of-water/...

Hello friends: I have got quite some young, home-bred sanke with very little beni and shiro bekko (failed sanke). My goal now is to get sanke with...

Can I pump my lake water into the stock tank 24/7 and let the water flow back into the lake without using filtration other than a screen around the...

I have this sanke who's ~15 years old. About a year ago, he started developing something red that may be ulcer just right behind his left gill flap....

I’m going to have far too many koi fry than I can find homes for and I was just curious if/when I must cull what’s the most humane way to do so? ...

I have a 200 ton pond and last year during a flood a native species entered the pond and have bread and are multiplying quickly. The pond is lined...

I have a fairly new (constructed last fall) pond, which is quite sizable, around 13k gallons. The pond is made of two big 'bowls' with a bottom...

I've had Koi for 12 years with no problems until now. I had them in a pond with 50 cubic meters with no filtration, frequent water changes and lots a...

I bought a 15” koi a couple weeks ago and he finally got comfortable with the pond but would usually sit at the bottom in one spot next to the filter...

We have a well-established 900 gal pond. Our last Koi was attacked by a predator a little over a year ago and died. We still have several comets....

One of the fish has this wound on the top of its body. We initially thought it was a wound from feeding time, there are about 12 very healthy and...

One of our comets was injured or attacked - it looks like it is missing it's left gill. I believe it is still eating and is not isolating. Is there...

Good day! Looking for assistance w plumbing/re-plumbing setup. I have a 1k gallon greenhouse tank (above ground) that houses 3 koi and 4...

i hope everyone is enjoying the last few weeks of Summer and ponding season! Any idea where I can find an old Advantage priming pot lid gasket? I...

Do you feed your fish? Some say there are plenty of nutrients in the water and stuff on the bottom so you don't need to. So do you feed yours and if...

I need to get my koi out of my pond so I'm trying to find info on how to run well water through a 18' diameter pool for my 400 10" koi until next...

Yes you can mix salt with F&MG . Doesn't matter if the FMG is 22% or 37% formaldehyde, and you can treat in situ with salt at any level we use for...