An average sized rock weighs between 1.5 - 3kg
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.
Petrified wood is the fossilized remains of former terrestrial plants. It occurs underground where the wood becomes rock.
This rock will give your aquarium great texture and colour.
Petrified wood stone is Inert and will not alter pH or kH