Create Calm, Beautiful Aquarium Landscapes
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Easy-to-use stones that keep your plants happy and your fish safe.
These Natural Microporous Stones bring gentle texture and character to any aquarium layout. Their breathable structure supports healthy plant roots while staying safe for all fish and shrimp. Each piece has its own unique shape, making it simple to build natural rock formations in your fish tank or aquascape.
A simple way to upgrade your aquascape.
✔ Supports steady root growth
✔ Encourages healthy water conditions
✔ Safe for fish and shrimp
✔ Adds natural beauty to any tank
✔ Easy to place and arrange
Rinse the stones with clean water before placing them in your tank. Arrange them gently to avoid shifting. Safe for use in most aquarium sizes and layouts.
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 smooth edges and natural material make them safe for fish and shrimp.
Do I need to prepare the stones before adding them to my tank?
Just give them a quick rinse with clean water to remove dust.
Can I use them in planted tanks?
Yes, their microporous structure helps support strong plant roots.
The breathable stone structure helps plants settle in and grow strong.
The natural pores help create a stable environment for fish and plants.
Each stone has a unique shape that brings a natural feel to your aquascape.
Smooth edges make them gentle for curious swimmers.
Lightweight and simple to position in any aquarium layout.
Made for healthy tanks and beautiful layouts.
| Features | MK Aquarium | Knock-Offs |
|---|---|---|
| Natural material | ||
| Microporous structure for root support | ||
| Smooth, fish-safe edges | ||
| Unique natural shapes | ||
| Great for planted aquascapes | ||
| Easy to place and arrange | ||
| Helps maintain stable conditions | ||
| Works with most aquarium layouts | ||
| Gentle on shrimp |
Yes, the stones work well in tanks of many sizes. Just arrange them to fit your layout.
No, they are natural and meant to keep conditions stable for fish and plants.
Yes, the microporous surface supports root growth and plant stability.
No, the stones are naturally smooth and safe for fish and shrimp.
Rinse with clean water to remove any dust. No other prep is needed.
Yes, they blend well with most aquascaping stones and wood pieces.
Yes, they fit well in both low-tech and high-tech planted setups.
They stay in place once arranged, but you can stack or anchor them if needed.
Yes, they are easy to use and great for simple or advanced layouts.
