About This

• Contains API 550-test saltwater aquarium water test kit to monitor pH, ammonia, nitrite and nitrate levels
• Includes Instant Ocean sea salt formulated specifically for marine aquariums with 50 gal capacity
• API test kit helps prevent invisible water quality issues harmful to fish and invertebrates
• Instant Ocean dissolves fast to provide clear, ready-to-use saltwater solution in minutes
• Trusted brands - API and Instant Ocean are industry leaders in aquarium products for over 40 years