BUILDING MATERIAL

【NATURAL STONES】Non-toxic & eco-friendly, natural color and variety shades of river rocks. 【POLISHED RIVER ROCKS】 Smooth rounded river rocks e...

WEIGHT GUIDE FOR PERFECT COVERAGE: 12 lbs gravel is best for nano aquariums, a small 5-gallon tank, or one/few planters. 36 lbs gravel is better f...