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.) (Click Merchant link below for full description)