this study is aim to focuses on the study of seaweed, feathers that are gaining popularity with consumers increasingly result in a price increase. The villagers keep their natural seaweed, but during the month of November which is sharp to the assorted rain feather algae will make the market less output, and sometimes even lack of markets. This research study. Each type of factors affect the growth of algae, or a feather to feather them with seaweed farmers and dealers throughout the year and promote to the public the population or farmers have fed into a career in the future. By doing experiments using 2 types of fertilizer, urea fertilizer formula is 46-0-0 fertilizer chemical formula 15-15-15, and the trial procedures, has given the Cabinet Cabinet, all 3 are not used in the control cabinet to the food. Safe use of chemical fertilizer formula 2 at 15-15-15 cabinets that use urea fertilizer formula 3 46-0-0 time farming for a period of 3 weeks and a data analysis of experiments with scale of algae in each Cabinet, both before and after the experiment. The average weight of seaweed used in the experiment and comparison of a weighted average value of algae before and after the trial.