Mircoworms are excellent food for small fish such as guppies and fry. Many fish breeders use them to feed their newly hatched fish since the fish’s instinct tells it to only eat things that moves and is smaller than it. Microworms are VERY nutritious fish food and are easy to culture.

First thing you’ll need is a microworm starter culture.

Next thing, you will need something to culture them in. It should have a lid, with air holes, and it makes life a LOT easier if it has smooth sides.
I use deli containers for my microworms. (Well actually, the little tubs male bettas come in.)

Just about anything will work, as long as it has air holes (not to big, you don’t want fruit flys to get in!) and is at least a few inches tall, it’ll work.

Once you have your container, you will need to make the culturing medium. This is what the microworms live and breed in.

•  The first, and probably the most popular, way of culturing microworms is by using oatmeal. This method is VERY cost effective and easy. Simply fill the container about 1/2 an inch with oatmeal, sprinkle some yeast on top, then add enough water so its not runny, but its also not chunky. The yeast keeps the culture from smelling. Now add you culture and wait for it to grow! In about a day or two, you will see your microworms starting to crawl up the sides!

To harvest, simply scrape off the side. Alternatly, you can place a peice of paper towel on the medium itself, and the worms will crawl up onto it, but this way wastes paper and you might bet the medium in your tank and pollute your tank. Id stick with scraping them off the side.

•  Use instant mashed potatoes! Do everything the same as with the oatmeal, except use instant mashed potatoes!

Simple as that! Nothing to it! Its not rocket science! Instant oatmeal or old fashioned works! Any kind of yeast! The Little things aren’t all to picky!

After a few weeks, its probably a good idea to sub culture. This simply means getting another container, filling it with oatmeal or mashed potatoes, then adding some microworms. If you don’t do this, your culture will die and you’ll need to purchase a new one.

Hope this has been a helpful article on how to culture microworms!