Instant Ocean Lifeguard, 16 tablets

Instant Ocean LifeguardOur Instant Ocean Lifeguard tablets with HaloShield(R) attack a broad range of external fish diseases in saltwater aquariums including bacterial, fungal, viral, and parasitic. It's HaloShield(R), a revolutionary non-antibiotic agent, that makes LIFEGUARD pre-measured tablets so tough on harmful disease-causing microorganisms. Safeguard tanks with LIFEGUARD! One tablet treats 10 gallons of water, recommended treatment is for five days.