Sea Monkeys 80482 Ocean Zoo


Support With Activating and Caring for Your New Sea-Monkeys

Images with text describing the process for animating your Sea-Monkeys eggs

How to Create the Perfect Sea-Monkeys Habitat – Tips for Sea-Monkeys Owners

Here are our top tips for getting the most out of your Sea-Monkeys:

1. Water temperature– It is vital that you refer to the temperature chart on the instruction leaflet, the colder the water the longer it will take for your Sea-Monkeys eggs to hatch. The ideal temperature for the fastest hatching is between 24 and 27 degree Celsius.

2. Egg anatomy– All Sea-Monkeys eggs vary in shell thickness, therefore those with thinner shells hatch faster and those with thicker shells take longer. This is natural biological variation.

3. Healthy light- Place your tank in a north-facing window so that it gets light, but not directly in sunlight. This will help algae to grow which the Sea-Monkeys eat.

4. Feeding- Feed your Sea-Monkeys only when the water is clear, too much food will cause them to suffocate.

5. Evaporation- If you notice the water level decreasing in your tank refill with bottled drinking water which is at the same temperature as the tank water.

6. Help! If your Sea Monkeys experience falls short of your expectations please contact our customer services team and they will be happy to help you.



Dimensions: 14 x 11 x 7 cm; 139.99 Grams
Model: 80482
Batteries Required: No
Batteries Included: No
Age: 5 – 10 years
Assembly: No

202 Responses

  1. EmmanuelZuy says:

     United Kingdom

    Great for kids and grown ups
    Had a packet from a few years ago that didn’t hatch (was a very old gift) so bought new ones to replace, hatched within 3 or 4 days, instructions are easy to follow, easy to keep and mine have already started reproducing. Children love their sea monkeys, easy to place tank, very fun, multiple colours of tank although you don’t get to choose. We use our seamonkeys as a learning tool for life cycles.

  2. Todd McDonagh says:

     United Kingdom

    Golden Review Award: 1 From Our UsersFascinating Science Project A Nostalgic and Fun Learning Experience!
    Bought this Sea Monkeys Kit Mystery Egg Refill to restart an existing tank and give the kids a fun, hands-on science experiment to watch live creatures hatch and grow.

    What I Loved (The Pros):

    Complete Refill Bundle: It comes with everything you need to start a fresh batch: the water purifier packet, the actual mystery eggs, a pouch of growth food, and the tiny feeding spoon.

    Genuine Science Magic: Watching the microscopic brine shrimp hatch out of seemingly nowhere within a few days is incredibly exciting for children. It is a fantastic educational tool for teaching biology and responsibility.

    Very Low Maintenance: Once the initial setup steps are done, they require very little effort. You only need to feed them a tiny scoop of food once a week and occasionally top up the water level.

    Great Value Solution: If you already have an old Sea-Monkeys tank or a suitable small plastic container, buying just the refill packets is much cheaper than purchasing a whole new starter kit.

    What Could Be Better (The Cons):

    Must Follow Instructions Exactly: You absolutely cannot rush the process. You must wait a full 24 hours after adding the water purifier before dropping the eggs in, and you must use distilled or bottled water. If you use standard tap water or rush the steps, the eggs likely won’t hatch successfully!

    Overall…. this issue such amazing value for money. My little ones loved it and got stuck in and gave them sensible responsibility of feeding and up keep.