StressGuard is a premium product for the protection of the mucosa of fish. Stresssguard reduce stress and ammonia toxicity while handling or transporting fish. Protect exposed protein in wounds to promote healing of injured fish and to reduce the likelihood of primary and secondary infections. StressGuard is compatible with all medications except those based on copper. This product is not amine based and will not interfere with the regeneration of Purigen or Hypersorb. StressGuard is not a protective resin or an inhibitor of osmosis fish / water as competing products such as "protector of the mucosa" may be