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Fertilizer is generally thought of as something limited to use on land. However, nursery ponds for raising fry and fingerlings are fertilized prior to the addition of new fish.
Feeding fry properly is the single most challenging part of running a nursery pond. Fry are not easy to feed, and even a steady supply of phytoplankton and other tiny lifeforms can suddenly disappear overnight or fail to keep them thriving.
Don’t underestimate the number of options you have for lining a nursery pond, even after you decide you want a flexible geomembrane.
While few fish pond owners would try to building rearing or feed-out ponds without a solid liner, these materials are also needed for nursery ponds.
Like all fish rearing ponds, nursery ponds require a steady supply of conditioned fresh water and routine water changes.
Traditional use of open nursery ponds involved drying out the pond at the end of the season.
Nursery ponds are used for many different types of fish who need an open environment with a natural food supply and high water quality.
Nursery ponds are a subset of rearing ponds that house fish during the most delicate and difficult stages of growth.
Once you’ve built the koi pond of your dreams, you can keep it looking good and requiring few repairs with some basic maintenance steps.
Each fish produces plenty of waste in the form of ammonia, which is then broken down by bacteria and oxygen into nitrites and then subsequently broken down into nitrates.