Aqua Natural Substrates
All Aqua Natural gravel or substrates are 100% natural, sustainably sourced, triple washed and kiln dried. Our meticulously graded gravels and sands are the perfect natural substrates for any aquarium including planted tanks. Our high quality products create natural beauty combined with large surface areas for beneficial bacteria colonies and easy cleaning.
Nitrifying Bacteria
Pack contains bio activated live nitrifying bacteria to either use as a primary substrate or mix with substrate for a healthy aquarium. Contains a patented blend of live nitrosomas and nitrobacter bacteria which break down and convert harmful ammonia into less harmful nitrite and nitrate.
| Product Type | Midnight Pearl |
|---|---|
| Source | 100% natural, sustainably sourced |
| Processing | Triple washed, kiln dried |
| Bacteria Content | Live nitrosomas and nitrobacter |
| Best Use | Planted tanks, general aquarium substrates |
FAQ
What makes Midnight Pearl different from other substrates?
Midnight Pearl is a naturally colored, high-surface-area substrate that supports beneficial bacteria growth and provides a visually appealing base for planted tanks.
Can this substrate be used in a planted aquarium?
Yes, it is ideal for planted tanks due to its natural composition and large surface area that promotes bacterial colonization and plant root development.
Is the bacteria in the substrate active and effective?
Yes, the pack contains live nitrifying bacteria, including a patented blend of nitrosomas and nitrobacter, which help convert ammonia into nitrite and nitrate.

Eric Sutherland –
The Midnight Pearl substrate looks beautiful in my planted tank. It’s easy to work with and the bacteria helped establish a stable cycle quickly. No fish deaths or ammonia spikes since I added it.
Yvonne Greene –
I mixed it with my regular sand for better root support. The color is natural and the tank looks more realistic. Bacteria activity improved within a week after setting up.
Ian Alsop –
Great product. The triple washing ensures no dust or debris. My plants are thriving and water parameters have stayed stable since using this substrate.
Jacob Langdon –
It’s a bit denser than other substrates, but the surface area helps with bacterial growth. Works well with my live plants and has no issues with compaction.