NOVELTY - The complex microbial preparation comprises Acetobacter aceti (0.9 wt.%), Acetobacter xylinum (0.3 wt.%), Aeromonas hydrophila (0.5 wt.%), Bacillus subtilis (1.1 wt.%), Bacillus firmus (0.8 wt.%), Bacillus megaterium (1.5 wt.%), Bacillus alcalophilus (1.9 wt.%), Bacillus licheniformis (1.5 wt.%), Bacillus Pumilus (2 wt.%), Bacillus sphaericus (1.5 wt.%), and Alcaligenes faecalis (1.3 wt.%).    USE - The complex microbial preparation is useful for treating wastewater (claimed).    ADVANTAGE - The complex microbial preparation allows efficient removal of the ammonia and other pollutants in the water.    DETAILED DESCRIPTION - The complex microbial preparation comprises Acetobacter aceti (0.9 wt.%), Acetobacter xylinum (0.3 wt.%), Aeromonas hydrophila (0.5 wt.%), Bacillus subtilis (1.1 wt.%), Bacillus firmus (0.8 wt.%), Bacillus megaterium (1.5 wt.%), Bacillus alcalophilus (1.9 wt.%), Bacillus licheniformis (1.5 wt.%), Bacillus Pumilus (2 wt.%), Bacillus sphaericus (1.5 wt.%), Alcaligenes faecalis (1.3 wt.%), Achromobacter xylosoxidans subsp. denitrificans (1.7 wt.%), Corynebacterium ammoniagenes (3.7 wt.%), Enterobacter agglomerans (2 wt.%), Thiobacillus denitrificans (1.1 wt.%), Thiobacillus thiooxidans (0.55 wt.%), Thiorhodococcus minus (1.7 wt.%), Rhodopseudomonas palustris (1.5 wt.%), Rhodopseudomonas acidophila (1.5 wt.%), Gluconobacter albidus (0.8 wt.%), Gluconobacter oxydans (2.3 wt.%), Lactobacillus fermentum (3.4 wt.%),Lactobacillus plantarum (0.3 wt.%), Lactobacillus amylophilus (1.5 wt.%), Lactobacillus brevis (0.8 wt.%), Micrococcus halobius (3.4 wt.%), Pseudomonas alcaligenes (1.4 wt.%), Pseudomonas aeruginosa (0.8 wt.%), Pseudomonas chlororaphis (0.8 wt.%), Pseudomonas putida (1.4 wt.%), Rarobacter faecitabidus (0.7 wt.%), Paenibacillus polymyxa (0.6 wt.%), Nitrobacter winogradskyi (3.3 wt.%), Nitrosomonas sp. (2.3 wt.%), Photobacterium phosphoreum (0.6 wt.%), Haloferax volcanii (1.1 wt.%), Haloferax mediterranei (2 wt.%), Methanobacterium bryantii (1.5 wt.%), Methanobacterium palustre (2.7 wt.%), Methanosarcina thermophila (3.1 wt.%), Cellulomonas biazotea (1.1 wt.%), Rhodopseudomonas acidophila (1.3 wt.%), Azomonas agilis (0.9 wt.%)Shewanella denitrificans (0.8 wt.%), Pseudoalteromonas nigrifaciens (0.9 wt.%), Anaerovibrio lipolytica (0.4 wt.%), Pimelobacter simplex (3.1 wt.%), Pimelobacter tumescens (2.2 wt.%), Brachybacterium faecium (0.5 wt.%), Jonesia denitrificans (1.1 wt.%), Oxalobacter formigenes (2 wt.%) Eubacterium nitritogenes (2.1 wt.%) Geobacillus thermodenitrificans (1 wt.%), Syntrophobacter wolinii (0.7 wt.%), Nitrosovibrio tenuis (2.4 wt.%), Nitrosococcus nitrous (2.8 wt.%), Nitrococcus mobilis (3.8 wt.%), Nitrospira gracilis (2.2 wt.%), Thiobacillus ferrooxidans (0.9 wt.%), struvite (0.5 wt.%), corn starch (3.73 wt.%), ferric chloride (0.01 wt.%), cobalt chloride hexahydrate (0.005 wt.%) and nickel chloride hexahydrate (0.005%).