Kakadu Gravel
Kakadu Gravel is a premium natural substrate inspired by the rugged beauty of Australia’s Kakadu landscapes. With its earthy mix of warm browns, tans, and subtle reddish hues, it brings a natural riverbed aesthetic to freshwater aquariums, enhancing the overall aquascape with an authentic, organic feel.
The gravel is 100% aquarium-safe and will not alter water chemistry, making it suitable for a wide range of freshwater fish, shrimp, and plants. Its smooth, rounded grains protect bottom-dwellers from injury, while the natural porosity of the substrate helps support healthy biological filtration by encouraging beneficial bacteria colonization.
Perfect for use in planted tanks, aquascapes, and decorative layouts.
| Specification | Detail |
|---|---|
| Material | Natural gravel |
| Color | Warm browns, tans, reddish tones |
| Grain Size | 1-2 mm |
| Water Chemistry Impact | None |
| Best For | Planted tanks, aquascapes, decorative layouts |
FAQ
Is Kakadu Gravel safe for fish and plants?
Yes, Kakadu Gravel is 100% aquarium-safe and does not alter water chemistry. It is suitable for use with freshwater fish, shrimp, and plants.
What is the grain size of Kakadu Gravel?
The grain size is 1-2 mm, providing a smooth, rounded texture that is gentle on bottom-dwelling fish.
Can I use Kakadu Gravel in a planted tank?
Yes, it is ideal for planted tanks due to its natural porosity, which supports beneficial bacteria and promotes healthy root development.

Tracey Campbell –
The gravel looks exactly like the photos. My planted tank now has a natural riverbed look. My shrimp and plants are thriving. No issues with fish getting injured or water parameters changing.
Grace Bailey –
Great for creating a realistic aquascape. The color is warm and natural. My community tank looks much more balanced and peaceful now.
Molly Skinner –
It’s smooth and safe for my fish. I’ve used it in a 55-gallon tank with live plants. The bacteria colonization seems better than with other substrates I’ve tried.
Thomas Peake –
Perfect for a minimalist aquascape. The texture is ideal for root growth. No settling or cloudiness in the water after a week.