Not only that, “a lot of the fir trees here have very acidic needles” you want to keep out of your pond, Soboil says. Plan the size and depth of the pond based on the number of koi to be housed.

Dr. Koi says the four keys to creating a healthy pond are proper depth, adequate aeration and filtration, and good water quality. The pond needs to be at least 2 1/2 to 5 feet deep, she says.

A Tennessee restaurant's very unique koi pond installation went viral on X over the weekend — and it's drawing comparisons to other remarkable animal habitats at eateries around the US.

However, during the week of July 15, the aeration pump feeding fresh water to the upper pond broke, leading to the death of the church’s three largest koi.

Place gravel on the bottom of your pond, which will add to its natural beauty while nurturing the good bacteria that fish feed on. Pea gravel or sand are nice choices, but feel free to add larger ...

These 15 koi pond ideas will inspire you to transform your outdoor space into a serene outdoor oasis. They prove that koi ponds can work in spaces of all sizes.

The pond started with six fish donated by our assistant principal Lauren Moyal and Mr. Carter’s brother. During the summer of 2015 our fish family grew from six to eight fish because of babies!

They have also contracted a third-party company to help treat any algae and to help replace an old aeration system. This will pump oxygen into the pond and break up any bad bacteria and debris.