Bonsai Pro concentrate fertilizer provides the right balance of nutrients for healthy growth It does not cause undesirable salt buildup in your growing medium It is a professional formulation containing all essential macro and micro nutrient minerals for healthy bonsai All elements are in one simple solution Just like nature with bonsai pro you feed your bonsai with each watering Use with all container plants Net weight 11 oz 8 fl oz Features . Fertilizer Chemical. Suitable humidity drip tray is recommended Specifications . Capacity 11 oz. Weight 3 lbs