The cost of starting a spirulina farm varies based on scale and automation level. A small-scale Hobby farm (1,000 sq. ft.) may cost around ₹5-10 lakh, while a commercial setup can exceed ₹1CR due to expenses like land preparation, building costs, Machineries, Raceway tanks construction, agitation systems, working capital, electrical and plumbing, lab setup many other management and administrative expenses. Key costs include Civil works, harvesting, drying system (Industrial nutrition preserving dryers), certification expenses (like FSSAI, USDA Organic, EUO, ECOCERT, HACCP, GMP) and working capital. While initial investment is high, proper planning, market positioning and quality assurance can yield significant returns.