A professional standard compost which we use in all our pre-planted options. Comes with added hydretain, a natural, biodegradable product which can reduce watering up to 50% and a slow-releasing fertiliser which will last all season, so less watering and better growing! They will arrive in handy, storable 5 Litre bags. 50 Litres of compost will circa 8x27cm baskets; 7x27cm containers and 8x40cm troughs. They will arrive in handy, storable 5 Litre bags. 50 Litres of compost will circa 8x27cm baskets; 7x27cm containers and 8x40cm troughs.