Special water quality improver for shrimp farming pond

The invention discloses a special water quality improver for a shrimp farming pond. The water quality improver is primarily prepared from the following raw materials in parts by weight: 12-23 parts of chitosan, 1-5 parts of photosynthetic bacteria, 9-15 parts of citric acid, 3-12 parts of monoammonium phosphate, 10-21 parts of glycine betaine, 11-22 pars of nanosilver, 2-9 parts of medical stones, 9-17 parts of activated carbon, 3-9 parts of vitamins and 9-16 parts of traditional Chinese medicines. The traditional Chinese medicines include the following traditional Chinese medicine components in parts by weight: 5-15 parts of common andrographis herb, 7-18 parts of Chinese wolfberries, 4-17 parts of angelica sinensis, 11-25 parts of isatis roots, 7-14 parts of honeysuckle, 8-26 parts of sichuan lovage rhizome, 7-23 parts of herba aristolochiae, 5-15 parts of radix stemonae, 7-18 parts of cherokee rose fruits, 2-18 parts of radix angelicae, 3-17 parts of poria cocos, 8-18 parts of codonopsis pilosula and 7-18