2" Premium Polished River Rocks - 18lb Natural Stones for Landscaping, 1.6-2.4" Aquarium Gravel & Zen Garden, Non-Toxic Indoor/Outdoor Decor

Nature-Perfected Polish & Precision Sizing Hand-selected 1.6-2.4" river rocks tumbled to gem-like luster - 3x polishing cycles eliminate sharp edges while enhancing quartz/feldspar veining. UV-resistant colors hold vibrancy for 10+ years outdoors. Uniform sizing (±0.2") ensures seamless coverage: 18lbs = 4 sq.ft at 2" depth (vs. jagged gravel requiring 25% more). Multi-Scene Design Intelligence ✅ Aquariums: pH-neutral & non-calcareous - safe for bettas/shrimp tanks ✅ Zen Gardens: Weighted 85g avg. per stone for stable raking ✅ Succulent Bowls: Quick-drain base prevents root rot (tested w/ cactus mix) ✅ Pathways: 9.5 Mohs hardness withstands foot traffic/weathering Certified Safe & Eco-Conscious Lab-verified 0 heavy metals (SGS Report #RG-18874). Naturally harvested via USDA Ecological Collection Standards - no habitat disruption. Includes free moisture-retention calculator for optimal plant health.