Westland Houseplant Potting Mix is a specially blended mix for potting or re-potting most indoor plants including cacti and bottle gardens. This open free draining mix promotes healthier growth and greener leaves for an outstanding indoor garden. This product also contains SERAMIS clay granules producing an open structured potting mix that help manage the moisture level of your compost. The SERAMIS granules in this mix work by absorbing water and releasing it back to the plant when needed for optimum water and nutrient availability. Finally, to improve this mix further Westland has also used perlite for increased airflow and drainage resulting in healthier root development and ultimately a stronger healthier plant all round. Features: Size: 4 Litre Added perlite for optimum airflow & drainage Provides healthier growth & greener leaves Contains watering-retaining Seramis Specialist formula