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API Stress-Zyme - 16oz
Improves the development of the biological filter and helps clean a dirty aquarium. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite poisoning and low oxygen levels. Continuous use assures an active biological filter, cleaner aquarium, healthier fish and good water quality. No refrigeration necessary. Use when setting up and maintaining an aquarium. For use in fresh and saltwater
Directions for Using Stress Zyme
New Aquariums
Shake well before using.
On the 1st, 7th, and 14th days add 2 teaspoonfuls (10 ml) for every 10 US gallons (40 L) of aquarium water. Thereafter, each week add 1 teaspoonful (5 ml) for every 10 gallons (40 L) of aquarium water.
Existing Aquariums
To maintain good water quality and healthy biological filtration, add 1 teaspoonful (5 ml) for every 10 U.S. gallons (40L) of aquarium water weekly.