Hakkai Stone: The Perfect Addition to Your Aquarium
Hakkai Stone is a premium dark bluish-green stone with smooth edges. It is well-known for its unique texture and appearance. These aqua-scaping rocks are adorned with irregular spaces resembling bugs, which is why it is called “Bug-Eaten Rock”.
The holes are produced slowly over time and are formed by natural erosion. Due to its unique looks and exciting character, Hakkai Stone, also known as Pahai Stone, is still a rare commodity in the hobby of planted aquariums.
Its dark colouration will pop against colourful aquarium plants and in river bed-style aquascapes.
Precautions To Use Hakkai Stone In Aquarium
- Hakkai stone is brittle and should be handled with care to avoid breaking.
- Ensure the stone is thoroughly rinsed before use to remove any dust or debris.
- Do not use in tanks with aggressive fish species that may damage the surface.
| Feature | Detail |
|---|---|
| Colour | Dark bluish-green |
| Texture | Smooth edges with natural erosion patterns |
| Origin | Natural formation, commonly found in riverbeds |
| Use Case | Planted aquariums, river bed aquascapes |
FAQ
Can Hakkai Stone be used in a planted aquarium?
Yes, Hakkai Stone is ideal for planted aquariums due to its dark bluish-green colour and natural texture that complements aquatic plants.
Are the holes on Hakkai Stone natural?
Yes, the irregular spaces resembling bugs are formed by natural erosion over time.
Is Hakkai Stone safe for fish?
Yes, when properly cleaned and used in a stable environment, Hakkai Stone is safe for fish. Avoid using in tanks with aggressive species.




Jan Wilkins –
The Hakkai Stone adds a striking contrast to my planted tank. The natural holes give it a unique, organic look that stands out among other rocks. I’ve used it in a river bed setup and it blends well with the plants. Easy to place and looks great after a few weeks.
Lauren Welch –
I was drawn to this stone for its distinctive appearance. The bug-like holes are fascinating and add depth to the aquascape. It’s slightly fragile, so I handled it carefully during installation. Still, it’s a worthwhile addition to my aquarium.
Donna Dyer –
This stone is exactly what I was looking for in a river bed aquascape. The dark green hue and natural texture make it stand out. It’s rare and hard to find, but worth the search. My tank looks more natural and dynamic now.