Estes Stoney River Natural Aquatic Sand by Estes $33.96 select a variant 5-lb - $33.96 25-lb - Translation missing: en.products.status.sold_out select a variant 5-lb 25-lb Title 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Stoney River sand is an ideal substrate for fresh water and marine tanks. We use silica quartz sand that will not affect pH.IngredientsN/A