Vinayak Ingredients manufactures Aquaknock as a chemical-free stress reducer for aquaculture. It offers effective stress control without harming water quality or leaving residues in aquatic species. https://www.vinayakingredients.com/product/feed-additives-and-supplements-in-india-aqua-feed-supplements-and-nutrition-aquaknock-stress-reliever-in-shrimps-and-fishes/