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Estes Special Black Gravel is a natural pebble-size aquarium gravel with a non-toxic coating, sold in 5 lb bags. The dark "Shallow Creek" color makes fish colors stand out and hides debris between cleanings. It suits freshwater beginners and planted or decorative setups. Compared with painted gravels, the natural composition and coating are the selling points; the coarse pebble size is less ideal for small bottom dwellers or delicate plants.
In stock
Lowest price we've seen: $13.15 on Nov 10 at Walmart. Tracked across 1 store since Nov 10.
Owners rate it highly, praising the dark natural look and how well it holds up in freshwater tanks. Most mention easy rinsing and good color contrast with fish.