Add a Calm, Natural Touch to Your Tank
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Smooth, colorful stones that make any aquarium layout feel complete.
These natural stones bring a soft, earthy look to your aquarium or turtle tank. Each piece is smooth, safe, and ready to place right in your setup. They work well for aquascaping, anchoring plants, or adding gentle color to your fish tank. Simple, natural, and easy to enjoy.
A small detail that makes a big difference.
✔ Smooth surface is gentle on fish
✔ Mixed colors blend with any aquascape
✔ Great for anchoring live plants
✔ Works in aquariums and turtle tanks
✔ Available in 250g or 500g packs
Rinse the stones before placing them in your tank. Choose 250g or 500g based on the size of your layout.
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.
Are these stones safe for all fish?
Yes. The stones are natural and smooth, making them safe for most freshwater fish and plants.
Do I need to prepare the stones before use?
Just give them a quick rinse to wash away any dust before adding them to your aquarium.
Can I use these stones in a turtle tank?
Yes. Turtles do well with these stones, and the mixed colors add a nice natural look.
The mixed colors and smooth shapes blend easily into any aquascape.
Each stone has a gentle finish, so your fish can explore without worry.
Keep your plants steady while you build the layout you want.
Great for aquariums, turtle tanks, or even small aquaponics setups.
Just rinse and place. No tools or special steps needed.
A simple upgrade that brings more life to your tank.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Natural stone material | ||
| Smooth, fish‑safe finish | ||
| Mixed natural colors | ||
| Good for aquascaping layouts | ||
| Helps anchor live plants | ||
| Works in turtle tanks | ||
| Easy rinse-and-place setup | ||
| Available in multiple pack sizes | ||
| Versatile for many tank styles |
No. They are natural stones that should not tint or cloud your aquarium water when rinsed first.
Yes. They work well for anchoring plants and blending into natural layouts.
No. They have smooth surfaces that are gentle on fish and bottom dwellers.
Yes. The stones come in various shapes, so they work in nano tanks and larger setups.
It depends on the size and shape of each stone, but you can choose between 250g and 500g packs.
Yes. These stones handle turtle activity well and add a natural touch.
Absolutely. They look great when combined with other substrates.
No. Their weight keeps them in place on their own.
Yes. Just rinse them well before adding them to a fresh setup.
