Mr. T. Sampath Kumar’s journey to creating Nualgi began with curiosity about marine ecosystems. After observing how diatoms—microscopic algae—played a vital role in the marine food chain, he wondered if he could harness this natural process to solve environmental and agricultural challenges.
Over 12 years of research, he developed Nualgi, a nanotechnology-based product that stimulates diatom growth, promoting oxygenation and improving water quality. Launched in 2005, Nualgi’s innovation has revolutionized aquaculture, agriculture, and water remediation. Through determination and groundbreaking ideas, Mr. Kumar’s invention has made a global impact, restoring balance to ecosystems and reducing chemical inputs in farming.
Today, Nualgi products help improve crop yields, clean polluted water bodies, and promote sustainable environmental practices. Mr. Kumar's relentless pursuit of a better solution is a testament to his vision for a healthier planet.
Our Story
The Inspirational Journey of Mr T. Sampath Kumar and the Creation of Nualgi


Photosynthesis Enhancement
Nualgi consists of a balanced package of nano-sized nutrients, embedded in silica, that significantly boosts photosynthesis. This patented technology ensures that essential elements such as iron (Fe), manganese (Mn), zinc (Zn), copper (Cu), sulfur (S), calcium (Ca), magnesium (Mg), phosphorus (P), potassium (K), cobalt (Co), boron (B), and molybdenum (Mo) are provided in the right proportions for efficient chlorophyll function. This nutrient boost helps plants produce more food and fodder through photosynthesis, which is the foundation for agricultural productivity.


Science Behind Nualgi® Agriculture
Role in Soil Microorganisms
Nualgi also aids soil microorganisms, which are key players in the conversion of nutrients into a form usable by plants. Soil microbes, through a process called bio-mining, break down chemical bonds in minerals and deliver nutrients in ionic form. They also absorb nitrogen from the air and convert it into organic nitrogen through the activity of archaea and mycorrhizal fungi. Nualgi enhances this process by improving the nutrient availability in the soil, making it easier for microbes to function efficiently.
Participation in Carbon and Nitrogen Cycles
Soil microorganisms require liquid carbon as food, which is naturally provided by plant roots through the "liquid carbon pathway." Nualgi helps maintain this cycle by increasing the availability of nutrients that stimulate plant growth and, in turn, increase the exudation of liquid carbon. This symbiotic relationship fosters the growth of soil microbes, which play a critical role in nitrogen fixation—converting atmospheric nitrogen into forms accessible to plants. Additionally, Nualgi aids in the cycling of carbon and nitrogen, ensuring a more sustainable and nutrient-rich environment.

Key Impacts:
Increases dissolved oxygen levels and reduces eutrophication in water.
Enhances decomposition of organic pollutants.
Promotes healthier aquatic ecosystems by supporting zooplankton and fish.
Reduces harmful algae blooms and odors.
Nualgi’s innovative approach to water remediation leverages diatoms, microscopic algae that play a vital role in oxygen production and nutrient cycling. These primary producers absorb pollutants such as nitrates, phosphates, and ammonia from water bodies, facilitating their breakdown through photosynthesis. As diatoms release nano bubbles of oxygen, they promote the activity of aerobic bacteria, which decompose organic matter and neutralize harmful gases like methane and hydrogen sulfide. This natural process not only reduces sludge buildup and improves water clarity but also supports the growth of zooplankton—organisms that feed on harmful bacteria and mosquito larvae, ensuring a healthier aquatic ecosystem.
Nualgi’s solution strengthens the food chain from the bottom up, enhancing the health of fish and other aquatic life by boosting oxygen levels and reducing pollutants. This eco-friendly, sustainable approach offers a long-term solution for maintaining the balance of water bodies and combating the detrimental effects of pollution.

Science Behind Nualgi® Water
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Nualgi Nanobiotech
# 651, 11th Main Road, 5th Block, Jayanagar, Bangalore, Karnataka, India 560041
info@nualgi.com
+91-80 2569-1524
+91 8884267651