Fritz ParaShield is a herbal, bio-adhesive treatment that repairs and strengthens a fish natural slime coat, the first line of defense against Ich, Velvet, and other parasites. It combines proven natural oils and extracts in a patented film-forming matrix, making it ideal as a preventative after stressful events or for mild parasite cases, in fresh or saltwater. Explore more treatments.Features Herbal, bio-adhesive formula that repairs and strengthens the slime coat Helps guard against Ich, protozoan Velvet, and other parasites Natural actives including capsaicin oil, chitosan, D-limonene, manuka, and neem oil Great as a preventative after netting, shipping, or other stress Reef and invertebrate friendly at the adjusted dose How to Use Standard dose: 4 drops per gallon, or 5 mL (1 tsp) per 25 gallons Reef and invertebrate tanks: two half doses of 2 drops per gallon (5 mL per 50 gallons) 12 hours apart Complete the full course even if symptoms improve early Specifications Brand Fritz Type Herbal parasite treatment (slime-coat support) Water Type Freshwater and saltwater Size 4 oz Reef Safe Yes, at the adjusted dose Origin Made in USA Recommended Pairings Step up to Coppersafe for established Ich or Velvet Add bacterial and fungal cover with BacterShield Browse all medication Frequently Asked QuestionsIs it reef safe?Yes, at the adjusted two half-dose schedule it is safe for reef and invertebrate tanks.When should I use it?Use it preventatively after stress or at the first sign of a mild parasite issue.Fresh and saltwater?Yes, it works in both.