Buying a kit that comes with everything. There are a number of sea monkey kits available in retail stores and on the internet that come with everything you’ll need to get started growing sea monkeys. These kits come with tanks, the monkeys, a food packet, and more. This might be the easiest route to go. Buying the sea monkeys and other supplies separately. This could be a more inexpensive option if you have an aquarium or a tank already. However, this could be a more expensive option if you don’t. Ultimately, buying everything separately instead of in a kit allows you to customize your sea monkeys’ environment. Buying live sea monkeys. Unfortunately, some people buy their sea monkeys and don’t want to keep them anymore. You could choose to adopt someone else’s sea monkeys or buy already grown ones from a pet store. This, though, takes some of the fun out of the magic of hatching your sea monkeys from nothing. However, if you do this, you might give some homeless sea monkeys a desperately needed break.

A water purifier. The water purifier comes in a variety of forms. It might be a gel or liquid, or it could be a dry pack of solution. A pack of sea monkey eggs. A pack of sea monkey growth food. A plastic or glass aquarium of 1/2 gallon to 10 gallons. Accessories like plastic plants or rocks. [1] X Research source

Clean the tank with water if possible. Avoid using soap. Use vinegar and/or a plastic scrubber to loosen dirt and grime. If you’ve used something other than water, make sure to rinse the tank thoroughly before filling it with water.

Do not use water that has chlorine or any other chemicals in it. Be wary of tap water if possible. Avoid mineral water.

Stir the water so the purifier can more easily spread throughout the tank. Wait at least 24 hours before moving on to the next step. After you’ve added your water purifier, make sure your water has adjusted to room temperature before continuing on, even if this is longer than 24 hours. Room temperature is considered 76 degrees Fahrenheit or 27 degrees Celsius. [2] X Research source

The best temperature range for hatching sea monkeys is 75-80 degrees Fahrenheit (24-27 degrees Celsius). Colder temperatures will slow your hatching and growth time. Place your aquarium in a place where it will get sunlight, but not too much direct sunlight.

Cut open the packet and dump it into the water. Using the food stick (which will be included in any kit), gently stir so you do not damage any eggs. Be patient. Sometimes the sea monkey’s take longer to hatch and sometimes hatching is not really “instant. ”[3] X Research source

The temperature of the water. Cold water (below 75 degrees Fahrenheit) will slow hatching. Hatching could take several days if the water is cold. The thickness of sea monkey egg shells. Thicker egg shells will delay sea monkey hatching by up to several days. The combination of water temperature and egg shell thickness can produce a wide range of sea monkey hatching times.

Wait five days to give your monkeys the growth food. Don’t give them more than the package and the size of the tank requires. Don’t substitute something else for the growth food. After you add your growth food, your water might turn slightly green. Don’t be alarmed. This is normal.

Aerate at least once a week. If you choose to aerate your water by pouring it back and forth, remove your sea monkeys with an aqua leash or similar device and put them into an alternate tank first. Take a straw and blow air into the tank every couple of days. Buy an aerating system that will continually aerate the water. Baby sea monkeys consume and need a great deal of oxygen in the beginning of their life.

Feed them the appropriate amount as directed on the package. Never feed them more than once every five days. Only feed them sea monkey food. Sea monkeys often supplement their food supple with algae and other plant life that grows in the tank. [4] X Research source

Replace evaporated water with non-chlorinated water. Make sure any new water is the same temperature as the existing tank water. You don’t want to add super cold or hot water. Pour the water in slowly so you don’t hurt or disturb your friends.

When the water is cloudy, stop feeding them and wait a few days. If your water is cloudy, make sure your water is aerated. If the water does not clear up after a few days, you may need to transfer your sea monkeys and replace the water. Avoid cleaning your tank. If you can, don’t clean your tank too often. Sea monkeys live off of algae (in addition to their normal food) and will eat the algae that’s growing in their tank.