The pond builder has been taking care of the indoor pool with weekly water changes. The water parameters are good and the only thing I dislike is the brown algae that develops on the pool walls. The koi might be grazing on it a little bit but I really like to sweep the stuff to expose the blue checkerboard pattern. I think the koi look a little better against that background. When I sweep the algae it takes about three hours for the filtration system to clear up the cloudy water. The koi are not spooked at all by a broom sweeping up algae. If I have a net in the water, most of them are very suspicious. However, the koi have a sixth sense about the net. The ones who know they aren’t targets will swim very close to the net and the targets will stay far away.
Here’s what the koi look like against the brown algae background:
And here’s what they look like against a nice clean background:
I wrote that a boring pool is good but something always happens. I have a little goshiki named Manolete who has somehow managed to injure his head. He has a rather large divot on a deep beni portion and unfortunately I don’t think this koi will ever have the beni come back in this area.

A few more weeks of boredom when it comes to koi but it’s the start of koi shows around the country. There are lots of koi shows that I would like to go to, but I need to pick and choose based on flights and my work schedule. (In real life, I work for my pond builder’s chemical manufacturing company.) This year I plan to go to ZNA NorCal since I’ll have two cute little tosai from Japan to show and I am sure there are some great places to eat ramen in San Jose. Eating ramen is another thing that I really like to do – almost as much as keeping koi 🤣. I have a foodie niece in the area who will know where to get some. I’ll probably spend a few hours at the Michigan Koi Show because I’ll be attending a wedding not to far from their venue that weekend. Haven’t thought too much about any other shows since I will be busy co-chairing my home club’s annual koi show in early August.
The only other winter pastime is hand feeding the koi and filming them up close with the GoPro. It’s actually gotten a little harder to film them underwater because they think the camera is something to eat. In this video, you’ll see the koi taking some Manda Fu from my hand. I’m always tickled when they do this since they will never do this once outdoors.
ps – all the videos can be viewed in 4K and should have music attached but I’ve been having some technical difficulties with YouTube today…
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