Estes Spectrastone Ocean Beach Pebble by Estes Sold out $27.15 select a variant 5-lb - Translation missing: en.products.status.sold_out select a variant 5-lb Title 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out Spectrastone shallow creek pebble is an ideal substrate for fresh water tanks. Shallow Creek is an inert stone that will not affect pH.IngredientsN/A