... quality 3.Increase the oxygen content in water 4.improve aquatic products growth 1. Suitable Scope It can be used in ... breeding and nursery on the fish, shrimp, cucumber, crab etc. aquatic products. 2. Main Functionsa. Purify and improve the water quality ... lack of oxygen.f. Improve the feed efficiency, improve the aquatic animals’ growth.g. Restrain the growth of harmful bacteria, promote ...