If you are not completely satisfied with this product, simply return the unused portion with cash register receipt to: Kent Marine Guarantee 9675 S. 60th Street Franklin, WI 53132. 1-800-255-4527.

Caution: Not for human consumption. Do not taste, swallow or breathe. Avoid contact with skin as it may cause irritation. If in eyes, immediately flush with water for 15 minutes. If ingested, drink water and call a physician immediately! Do not mix with household chemicals. Keep out of the reach of children. Shake vigorously for 10-15 seconds immediately before each use! Add 5-10 mL (1-2 tsp) per 55 gallons of aquarium capacity directly in an area of high water flow every day until target calcium level and alkalinity are reached. Due to its highly concentrated formula, dosing will cause cloudiness that will dissipate within one hour. It is recommended to add to your system at night, in order to counter the natural tendency for pH to decrease during this time. This also allows time for the aquarium to clear. When added at a rate of 1 mL per gallon of purified water will increase the concentration of calcium by 26 ppm.