Give Your Fish a Cozy, Natural-Looking Home
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Easy, colorful seaweed pieces that bring life to any aquarium.
This set of 10 plastic seaweed pieces adds simple charm and comfort to your fish tank. Each 8 cm piece creates gentle movement and gives fish a safe place to rest and explore. It’s an easy way to make your aquarium feel more natural without any extra work.
A quick upgrade for happy, stress-free fish.
✔ Adds soft, plant-like motion to your tank
✔ Helps fish feel safe with extra hiding spots
✔ Simple to place anywhere in your aquarium
Each piece measures about 8 cm. Rinse gently in clean water before placing in the tank. Wipe as needed to remove buildup.
We are proud to offer duty-free, reliable, tracked shipping— delivered to your door in over 200 countries worldwide!
Below you can check our average shipping times:
Domestic USA Shipping: 2-9 business days
US & Canada: 7-18 days
Europe: 7-18 days
Europe Plus*: 8-30 days
Australia, New Zealand: 7-18 days
Hong Kong, Singapore: 7-18 days
Rest of the world: 8-30 days
*does not include processing times up to 2 business days or longer in peak periods
Primarily we ship out from fulfillment centers in the United States, Eastern Asia and Western Europe. If the item you've purchased is out of inventory in your nearest location, we'll send it directly from our production lines at the same delivery times as stated in our shipping section.
Is this plastic seaweed safe for all aquarium fish?
Yes. The LDPE plastic is smooth and gentle for most freshwater fish.
How big is each piece?
Each seaweed piece is about 8 cm, making it easy to fit in tanks of many sizes.
Do all packs come with the same styles?
Styles are delivered randomly, so each pack has its own fun mix.
Adds a lively, natural feel that brightens any aquarium setup.
The soft pieces make cozy hiding spots that help fish feel secure.
Just rinse and drop into your tank—no tools needed.
Wipes clean easily and keeps its shape over time.
A helpful way to decorate tanks for beginners or seasoned hobbyists.
A friendly upgrade for any aquarium hobbyist
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Safe LDPE plastic | ||
| Includes 10 matching pieces | ||
| Soft, flexible texture | ||
| Natural, lively motion | ||
| Works in small or large tanks | ||
| Easy cleaning | ||
| Random style variety | ||
| Hiding spots for fish |
Yes. They work well in typical freshwater and unheated aquarium setups.
They are designed to stay in place once positioned in your substrate.
Rinse in clean water and gently wipe away buildup. Avoid soaps or chemicals.
Yes. At about 8 cm each, they suit small tanks without taking up too much room.
They hold color well with normal tank lighting and simple care.
Yes. The pieces create small shelter spots that help timid fish relax.
No special lighting is required. They look nice under most aquarium lights.
Yes. Just make sure they don’t block the filter intake.
They can give fry extra places to hide, which many breeders find helpful.
