Fossilised Wood Nano Rocks to add detail to your scapes with Grey Fossil Wood stones. This nano rock has a remarkable metallic grey colour tone. Its unique monolithic forms make it an ideal stone to stand up high with its sophisticated rounded shapes. You can create astonishing layouts with a great sense of depth and high impact in nano tanks with this nano rock. *This rock may raise pH and hardness slightly but standard regular water changes are enough to keep the hardness under control.

TOP IT? - some substrates are designed to be used as a base layer then topped with gravel. Please read description before adding to your tank. LOVELY COLOURS - a whole range of colours means you can choose one which you suits your coluor scheme. In general darker substrates are more popular because they appear cleaner for longer. NO RINSING - nutrient rich substrates do not need rinsing and are ready to go immediate. EASY TO USE - nutrient rich substrates will often alter the pH and water hardness to suit aquarium plants which is extremely beneficial. BASE LAYER - adding a quality substrate will help your plants to grow by anchoring them down and if you choose a nutrient rich substrate it provides nutrition to the roots.