A water filtration medium composed of natural and synthetic ion-exchange resins. Selectively removes toxic ammonia, nitrite, and nitrate. Contains no phosphate, will not affect pH, and is compatible with activated carbon. Media, in convenient pouch, can be easily recharged with freshwater aquarium salt. 7.4 oz treats 55 gallons. For freshwater use only.

Directions
Rinse pouch under tap water. Place pouch in path of water flow in the aquarium filter. Replace pouch after 2 months.

• For a new aquarium or when ammonia or nitrite is detected: Recharge every 5 days for the first month, and then every 2 weeks for the second month.
• For an established aquarium: Recharge every 2 weeks.
• When nitrate is detected: Recharge every 5 days until nitrate is reduced to 20ppm (mg/L) or less.

To Recharge
Dissolve 4 tablespoons (80 g) of API AQUARIUM SALT in 8 oz. (240 ml) of warm tap water. Soak pouch for 2 hours, then rinse lightly in tap water. When not in use, store pouch in recharging solution.

General Information
NITRA-ZORB is a ready-to-use filter media pouch that can be added to your filter to remove ammonia, nitrite, and nitrate. NITRA-ZORB is made of natural and synthetic ion-exchange resins that selectively remove toxins from freshwater aquariums. NITRA-ZORB is completely phosphate-free and can be reused after recharging.

About Mars Fishcare API Aquarium Pharmaceuticals
For over 50 years, API has been a leader in the Aquatics industry developing and perfecting products and solutions for indoor aquariums. API's family of products includes treatments, testing, nutrition, and equipment and pond products.

The research and development scientists at API have pioneered scientific studies on aquarium treatments that have led to significant advances in the care of ornamental fish. This work has garnered over 25 global patents for breakthrough innovations in the aquatic industry.

API continues to look for ways to improve the fishkeeping experience for everyone. API recently developed the Easy Care Guide for a simple way to care for your aquarium. Easy to follow symbols help correlate in store products with at home care. These steps will show you how to simplify aquarium care so you can spend more time enjoying the beauty of your aquarium.