NOVELTY - The method for removing undesirable components such as phosphorus and nitrogen from water while containing, cultivating and harvesting photo synthetic marine microorganisms within the water, comprises placing (302) an apparatus having a mesh line within the water, cultivating (304) the marine micro-organisms within the apparatus, harvesting (312) the cultivated marine micro-organisms, and processing the cultivated and harvested marine microorganisms. The mesh lining is adapted to permit the water, the undesirable components and nutrients to enter through the mesh lining.    USE - The method is useful for removing undesirable components such as phosphorus and nitrogen from water while containing, cultivating and harvesting photo synthetic marine microorganisms including macro-sized and micro-sized marine algae within the water to produce bio-fuel, generate energy, produce agricultural material and sequester carbon (all claimed).    ADVANTAGE - The method is capable of easily, effectively, economically and completely removing the undesirable components such as phosphorus and nitrogen from water thus enabling simple, efficient and cost-effective growth of the photo synthetic marine microorganisms for bio-fuel production, energy generation, agricultural material production and carbon sequestration.    DETAILED DESCRIPTION - The method for removing undesirable components such as phosphorus and nitrogen from water while containing, cultivating and harvesting photo synthetic marine microorganisms within the water, comprises placing (302) an apparatus having a mesh line within the water, cultivating (304) the marine micro-organisms within the apparatus, harvesting (312) the cultivated marine micro-organisms, and processing the cultivated and harvested marine microorganisms. The mesh lining is adapted to permit the water, the undesirable components and nutrients to enter through the mesh lining while preventing the marine micro-organisms that are cultivated from escaping through the mesh lining. The step of cultivating the marine microorganisms comprises: waiting (310) for a sufficient length of time for a desired quantity and/or concentration of the marine microorganisms to grow within the water; adding (306) the nutrients to the water in quantities and/or at rates to increase growth of the marine micro-organisms; and adding (308) limiting nutrients to the water in quantities and/or at rates to decrease growth of the marine microorganisms such that a desired quantity and/or concentration of the marine microorganisms is yielded and/or the growth of the marine microorganisms occurs at a desired rate. The nutrients accelerate the growth of the marine microorganisms. The marine microorganisms feed off the undesirable components and the nutrients. The limiting nutrients comprise metals. The nutrients are added to the water in a controlled manner such that the growth of the marine microorganisms accurse only within the apparatus. The step of harvesting the marine microorganisms comprises: partially raising the apparatus from the water to separate the marine microorganisms from the water by creating dense slurry of the marine microorganisms within the water; and removing the marine microorganisms from the mesh lining of the apparatus after the marine microorganisms are separated from the water. A lesser portion of the apparatus is submerged within the water after the apparatus is raised. The step of removing the marine microorganisms from the mesh lining comprises pumping and suctioning the marine microorganisms from the mesh lining of the apparatus through a funnel attached to a bottom of the mesh lining of the apparatus. The nutrients comprise additional phosphorus and additional nitrogen not already within the water.    DESCRIPTION OF DRAWING(S) - The diagram shows a flow chart of a method of removing undesirable components from the water.    Placing an apparatus within the water (302)    Cultivating the marine micro-organisms within the apparatus (304)    Adding the nutrients to the water (306)    Adding limiting nutrients to the water (308)    Waiting for a sufficient length of time for a desired quantity and/or concentration of the marine microorganisms to grow within the water (310)    Harvesting the cultivated marine micro-organisms. (312)