CaribSea® Eco-Complete™ Planted Aquarium Substrate, Black
Experience lush, exuberant plant growth with this black CaribSea® Eco-Complete™ Planted Aquarium Substrate.
| * | Complete, coarse aquarium substrate for luxuriant plant growth |
|---|---|
| * | Contains live bacteria to convert fish waste into natural plant food |
| * | Requires no rinsing, enabling faster setup of planted aquariums |
Eco-Complete’s™ secret lies in rich, basaltic volcanic soil which contains iron, calcium, magnesium, potassium, and sulfur plus over 25 other elements to nourish your aquatic plants. Floraspore™ symbionts activate naturally to support plant health.
FAQ
Does this substrate need to be rinsed before use?
No, this substrate requires no rinsing, allowing for a faster setup of planted aquariums.
What nutrients does the substrate provide?
The substrate contains iron, calcium, magnesium, potassium, sulfur, and over 25 other elements to support plant growth.
Is the live bacteria in the substrate safe for fish?
Yes, the live bacteria are naturally present and help convert fish waste into plant food without harming fish.


Matt Greene –
My aquarium plants have grown much faster since I switched to this substrate. The black color blends well with the tank and the plants are thriving. No rinsing needed, which saved me time during setup.
Liam Ellison –
I’ve tried several substrates before, but this one stands out. The plants have developed strong roots and are growing vigorously. The bacteria seem to work well with my fish without any issues.
Lauren Gill –
The substrate is easy to use and the plants have grown well. I noticed a difference in color and health compared to previous substrates. A bit coarse, but that’s fine for my planted tank.