TankMedic Professional Aquarium Tank Gravel Cleaner 16 Ounces - Product Features
- Apply 1 cap full (5 mL) per 10 gallons (38 liters) of aquarium water.
- Apply product weekly, and directly after water changes and/or physical gravel cleanings.
- Great for cleaning plants & structures
- One sixteen-ounce bottle will treat up to 960 gallons of water.