National Geographic's mission is to inspire people to care about the planet. They believe that responsible Pet Parenting is a great way to experience some of the wonders of the world while developing a greater love and compassion for it. Only at PetSmart.

Features: Easy 2-step program for starting up to 20 gallon tank
Includes:

• Tablet A (water conditioner): treats tap water to remove harmful substances like chlorine, chloramines, and heavy metals. Also adds beneficial bacteria that help keep the water clean and clear.
• Tablet B (water maintenance): Stabilizes the tank by adding electrolytes, vitamins, minerals and immune boosters. Includes buffers to help maintain ideal pH and alkalinity and includes immunostimulants and beneficial vitamins and minerals that help keep your fish active and vibrant.

Caution: Contains small parts. Keep out of reach of children. For aquarium use only. Not for use withfish raised forhuman consumption.

Directions:
For tanks 40 gallons or larger, and for soft or low alkalinity water, dissolve tablets before adding to your aquarium.
Step 1: Add 1 Tablet A and 1 Tablet B for each 10 gallons of new aquarium water.
Step 2: Add 1 Tablet B weekly for each 10 gallons or aquarium water.
Once your tank is established, use National Geographic Water Conditioner and Water Maintenance Tablets to keep your water clear and fish in vibrant health.