This is clearly not "polished" in the usual sense, it's rubble that's just a little polished (presumably from tumbling) they arrived in a Bag dusty but not as dusty as some I've seen, I rinsed them, dried thoroughly then sprayed them lightly with Krylon Satin Lacquer a few times which made them even more finished if you are looking for houseplanters they are almost all very bright white.
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
18 Pounds of Natural Polished Decorative Gravel - Pebbles Aquarium Gravel River Rock - Mixed Color Fish Tank Stones - Garden Ornamental River Pebbles Rocks - Polished Gravel for Landscaping (Multicolor)
8 Review
5.7lb Black Small Decorative Pebbles - Versatile Gravel River Rock for Succulent Gardens, Home Decor, and Vase Fillers
8 Review
πΎ Zoo Med Excavator Clay Burrowing Substrate, 20 lb - 26406 Laboratories 690108
8 Review
π 1-Count Container of Glass Aquarium API Algae Scraper
4 Review
FISH PROS Fine Mesh Handle
3 Review
π Tetra No More Algae Tablets 8 Count: Effective Algae Control for Aquariums
8 Review
π§Ό Efficient Cleaning Made Easy: Mag-Float-30 Small Glass Aquarium Cleaner with Convenient Scraper Option
8 Review