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Application of Fulvic Acid in Aquaculture

Fulvic acid 45% is a feed additive widely used in aquaculture. As a fermentation product, it contains a variety of amino acids, proteins, and a large number of vitamins, inositol, polysaccharides, and other nutrients needed for aquaculture, which can promote the formation of a virtuous cycle in water bodies and establish a healthy ecological balance.


1. Fulvic acid 45% has strong chelating ability. It can form organic chelated trace elements with Fe, Cu, Zn, Mn, Ca, and other metal ions to promote the absorption and utilization of minerals by fish, shrimp, crabs, and shellfish.

2. Fulvic acid 45% can provide water bodies with rich organic matter, amino acids, proteins, and other nutrients, provide rich natural feed for aquatic animals, and can significantly improve the comprehensive production capacity of the pond.

3. Fulvic acid 45% can chelate the originally ineffective nutrients in the water, and is used to supplement the nutrition of algae/aquatic plants, promote their growth and reproduction to form physical shading, and is used to treat moss and purify water quality.

4. Fulvic acid 45% can complex and precipitate heavy metals, eliminate the poison of nitrite, inhibit harmful bacteria, decompose harmful substances, improve the immunity of aquatic products, and promote the healthy growth of aquatic products.


This product is suitable for the cultivation of freshwater and seawater fish, shrimps, crabs, and shellfish.


Can be used for both freshwater and marine aquaculture. Mix this product with 20-60 times of water and splash evenly.

For regular use: according to the pond area, 1-2kg/acre, you can double it for the first time, and use it every 7-10 days.

Improve water quality: 1-1.5kg/acre according to the pond area, use once every 7-10 days

Feed for cultivating seedlings: 2kg/acre according to pond area, used every 7-10 days.


It is best to apply between 8-11 am every day

Can not be used together with pesticides and algaecides

This product may agglomerate after getting wet, but it does not affect its effect.

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