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Amazon.com : AquaNatural Gold Pearl Bio-Substrate 5lb for Aquariums, Gravel seeded Start up bio Active nitrifying Bacteria 2-4mm, Gold, Brown, White,Small, BIOFRESH002 : Pet Supplies
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Active Mix universal substrate | KIK Ziemskie Produkty - peat substrates, substrates for roofs, bark
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Amazon.com : AquaNatural Midnight Pearl Bio-Substrate 5lb for Aquariums, Gravel seeded Start up bio Active nitrifying Bacteria 2-4mm, Brown, Black, Gold, Small (BIOFRESH003) : Pet Supplies
![Would this work in a bio active setup? Would it hurt the animals? It contains a compost mix, sphagnum peat moss, aged fir bark and perlite : r/bioactive Would this work in a bio active setup? Would it hurt the animals? It contains a compost mix, sphagnum peat moss, aged fir bark and perlite : r/bioactive](https://preview.redd.it/would-this-work-in-a-bio-active-setup-would-it-hurt-the-v0-aiafjjj6vmi81.jpg?auto=webp&s=3dc7b9e58ecc4989b973ca2fafd8cfab1233cf70)