Filtering of Culture Medium : As said earlier, the concentration of algae in the pond will be the deciding factor for harvesting. In general, the pond will be ready for harvest after five days after seeding process is done. Different farmers use different methods to harvest Spirulina, this is because of the availability of material resources and finance. Whatever is the reason, filtration is carried out to harvest Spirulina. Culture is collected in a container and poured onto the cloth. The culture medium flows back into the pond, leaving Spirulina on the cloth. The excess or the culture medium residues that still remains can be drained by applying pressure or squeezing. Farmers have designed various filtering process for the easy and quick process. One can get more information on the internet for various designs that can be used to reduce manual and quick harvest processing work. After filtering, the collected Spirulina is thoroughly washed in distilled water to remove any traces of salts, contaminants, or culture medium residue. Once the cleaning is done, the water content is further removed by squeezing or pressing and is ready for drying. Freshly harvested Spirulina will be at its best in its nutritional values. Fresh Spirulina cannot last more than 2 days, hence it needs to be dried to preserve its nutritional values and to last for a longer duration.