Aquatic Arts Marimo Moss Ball Food/Freshwater Plant Fertilizer |&nbsp;Aquarium/Terrarium Kit Accessories for Live Plants |&nbsp;Liquid Doser for Jar/Bowl Specially formulated specifically for the needs of Marimo 1 bottle will last well over a year for 1 single Moss Ball when used as suggested in the description Superior to other Marimo Food on the market that are simply overpriced liquid plant fertilizer Contains a proprietary blend of Nitrates, Phosphates, and Salts; blended specifically for Marimo Highly concentrated solution comes in a 2 ounce dropper bottle; makes dispensing single drops easy