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Its small, clear, and unobtrusive, so it won't detract from the view of your aquarium.Directions; Simply place Ruby Barb Ammonia Alert visibly anywhere in the aquarium. It's that easy. No chemicals or test procedures are required.When first put in service, response time will be about 30 minutes. Thereafter, Ammonia shifts will register within ten minutes.
Its small, clear, and unobtrusive, so it won't detract from the view of your aquarium.Directions; Simply place Ruby Barb Ammonia Alert visibly anywhere in the aquarium. It's that easy. No chemicals or test procedures are required.When first put in service, response time will be about 30 minutes. Thereafter, Ammonia shifts will register within ten minutes.