Parashield is a revolutionary new way to help maintain fish optimum health. This bio-adhesive supplement repairs and strengthens the fish’s natural slime coat which protects against parasitic and other infections. Proven natural oils and extracts are combined with a patented film forming matrix to help repair and strengthen a fish’s natural slime coat and help provide a protective shield around your fish. Use Parashield as a preventative treatment after stressful events or for mild cases of common parasitic diseases such as Ick; protozoan Velvet; and other parasites. FR43100 Casebuy:12.