Flint gravel is a great choice for a variety of aquascapes, small enough to prevent detritus (organic matter) from penetrating deep into your aquarium floor.
Fish Tank Bottom Filter Plate Sand Gravel Filter Board Pvc - Temu
Aquarium Gravel Black Fish Tank Plant Terrarium Substrate Sand BS 3-5 10kg Bag
Custom Aquariums, Glass Fish Tanks, DIY Aquariums, Saltwater Aquariums
Small Pebbles Polished Gravel Smooth Natural Black River - Temu
MOONSTONE FLINT GRAVEL Terrarium Supplies Decorative Rocks Landscaping for Terrariums, Aquariums, Vivariums, Paludarium and Crafts
MOONSTONE FLINT GRAVEL Terrarium Supplies Decorative Rocks Landscaping for Terrariums, Aquariums, Vivariums, Paludarium and Crafts
My 300 gallon freshwater setup : r/Aquariums
Grand Rapids Michigan Aquatic Sales
AquaNatural Red Flint 20lb Gravel Substrate for Aquascaping Aquariums Vivariums and Terrariums 4-6mm
Custom Aquariums, Glass Fish Tanks, DIY Aquariums, Saltwater Aquariums
Mopani Wood - African Hardwood - Custom Aquariums
MOONSTONE FLINT GRAVEL Terrarium Supplies Decorative Rocks Landscaping for Terrariums, Aquariums, Vivariums, Paludarium and Crafts