It is a special concentrated biochemical preparation having powerful microbicidal actions. it is very effective for zoothamnium & other protozoan infestation. it is very effective for zoothamin & other protozoan infestations in prawn / shrimp & kills the caus-active protozoans completely & makes the animal comfortable. Mix with sufficient quantity of water or sand & spray through the pond best preferred time for application is evening 3.00pm to 5.00pm, stop using probiotics & zoothachem at a time. Apply probiot-icsin the pond at ager 5 day sonly.