I haven't used these stones for the aquarium so I can't speak about their suitability but they are good to spice up the outdoor decoration. I mixed them with normal stones for the Little Free Library base to make them more attractive.
π Enhance Your Aquatic Habitat with Pisces Midnight Pearl Aquarium Gravel!
9 Review
Carib Sea ACS05820 Moonlight Aquarium
8 Review
Enhance Your Indoors And Outdoors With Galashield'S Polished Pebbles For Plants, Vases, Aquariums And Landscaping - 5 Lb Bag
11 Review
πͺ¨ CJGQ Black Pebbles for Plants 7lb - Bulk Bag of Aquarium Gravel 1-1.5 inch - Decorative Polished Stone for Fish Tanks - River Rocks
9 Review
π Enhance Aquarium Maintenance with hygger Carbon Fiber 6 in 1 Cleaning Tool Kit β Algae Scraper, Scrubber Pad, Sponge, and Telescopic Handle for Optimal Fish Tank Cleaning in Saltwater and Freshwater Environments
5 Review
π Enomol Gravel Vacuum - Aquarium Water Changer and Fish Tank Cleaning Tool Kit, Universal Siphon Pump for Quick Aquarium Water Changing
5 Review
Aqueon Siphon Vacuum Gravel Cleaner Mini: Compact 5-Inch Cleaning Solution
9 Review
π§Ό Efficient Cleaning Made Easy: Mag-Float-30 Small Glass Aquarium Cleaner with Convenient Scraper Option
8 Review