Seachem Laboratories Presents Seachem Garlic Guard 500ml. Garlicguard™ is an Appetite/Flavor Enhancer for Freshwater and Saltwater Fish. Garlicguard™ will Help Renew the Interest of Poor or Finicky Eaters. Garlicguard™ Contains Naturally Derived Garlic Oil. Garlicguard™ also Contains Vitamin C. For Use in Both Freshwater and Marine. Garlicguard™ is Reef Safe. [30103]