- Not suitable for small tanks - Colours vary from yellow, beige and grey - Perfect for Aquascaping - Does not raises water hardness - Polished and tumbled by the river current Rocks as from the riverside of Yangtse river. Polished and tumbled by the river current, with holes and grooves on the surface. Colours from yellow to beige and grey. It can be used for building riverside layouts or just placed as boulders of different sizes in a landscape of plants. Yangtse rocks are big and heavy stones and due to that not really suitable for smaller tanks. Sizes and shapes vary from each other per box. Only sold per 20kg box.
Kowloon Rock 20kg