Pisces Bio Substrate is 100% natural, sustainably sources, triple washed and kiln dried substrate. Pisces meticulously graded gravels and sands are the perfect natural substrates for any aquarium including planted tanks. This high-quality substrate will create natural beauty combined with large surface areas for beneficial bacteria colonies and easy cleaning. The pack contains bio activated live nitrifying bacteria to either use as a primary substrate or mix with substrate for a healthy aquarium. It also contains a patented blend of live nitrosomas and nitrobacter bacteria which break down and convert harmful ammonia, into nitrates.
Pisces Bio Substrate is 100% natural, sustainably sources, triple washed and kiln dried substrate. Pisces meticulously graded gravels and sands are the perfect natural substrates for any aquarium including planted tanks. This high-quality substrate will create natural beauty combined with large surface areas for beneficial bacteria colonies and easy cleaning. The pack contains bio activated live nitrifying bacteria to either use as a primary substrate or mix with substrate for a healthy aquarium. It also contains a patented blend of live nitrosomas and nitrobacter bacteria which break down and convert harmful ammonia, into nitrates.
in 3 offers
The lowest price for Aqua Natural Bio-Substrate Aquarium Gravel, Shadow right now is $14.95 at The Tech Den, compared across 3 retailers.
The all-time low was $14.00 on 27 Feb 2026 — today's price is 7% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 8 June 2026.
Aqua Natural Bio-Substrate Aquarium Gravel, Shadow
Pisces Bio Substrate is 100% natural, sustainably sources, triple washed and kiln dried substrate. Pisces meticulously graded gravels and sands are the perfect natural substrates for any aquarium including planted tanks. This high-quality substrate will create natural beauty combined with large surface areas for beneficial bacteria colonies and easy cleaning. The pack contains bio activated live nitrifying bacteria to either use as a primary substrate or mix with substrate for a healthy aquarium. It also contains a patented blend of live nitrosomas and nitrobacter bacteria which break down and convert harmful ammonia, into nitrates.
Pisces Bio Substrate is 100% natural, sustainably sources, triple washed and kiln dried substrate. Pisces meticulously graded gravels and sands are the perfect natural substrates for any aquarium including planted tanks. This high-quality substrate will create natural beauty combined with large surface areas for beneficial bacteria colonies and easy cleaning. The pack contains bio activated live nitrifying bacteria to either use as a primary substrate or mix with substrate for a healthy aquarium. It also contains a patented blend of live nitrosomas and nitrobacter bacteria which break down and convert harmful ammonia, into nitrates.
Last updated at 08/06/2026 22:26:22
Aqua Natural Bio-Substrate Aquarium Gravel, Shadow
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Aqua Natural Bio-Substrate Shadow 2.26kg Gravel with Live Nitrifying Bacteria | The Tech Den
Delivery $9.50
Bio-Substrate Gravel Shadow 2.26kg
Delivery between Thu – Mon $9.89
| Product dimensions | 24 x 8 x 14 cm; 2.26 Kilograms |
| Country of origin | Australia |
Aqua Natural Bio-Substrate Aquarium Gravel, Shadow
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Aqua Natural Bio-Substrate Shadow 2.26kg Gravel with Live Nitrifying Bacteria | The Tech Den
Delivery $9.50
Bio-Substrate Gravel Shadow 2.26kg
Delivery between Thu – Mon $9.89
| Product dimensions | 24 x 8 x 14 cm; 2.26 Kilograms |
| Country of origin | Australia |
