An average sized rock weighs between 1.5 - 3kg and there are no rocks that weigh less than 1kg.
Please indicate in your Order Notes (located below your cart) if you'd like to receive larger or smaller pieces. We will do our best to match your request. This is a natural product so shapes and sizes vary.
A bag contains 20kg and are sealed and we cannot mix or choose specific sizes. As a guide SML contains rocks between 10-25cm, MED contains rocks between 20-35cm and LRG contains rocks 30cm+
Canyon stone looks like the side of the Grand Canyon, hence it’s name. Mixes of white, red and green, this rock gives a great earthy look to you aquarium.
Canyon stone will slightly buffer pH and KH
