This Top Fin Premium Aquarium Gravel comes in a wide array of colors, and assists in mechanical and biological filtration. Choose one or more colors to accent the overall look of your aquarium. Only at PetSmart.
Features: Assists in mechanical and biological filtration; Comes in a wide variety of colors
Includes: 1 bag of Gravel
Intended For: Aquariums
Color: Assorted colors; please see drop down for color options
Instructions: Use up to 1.5 lb of gravel per gallon of tank.Rinse thoroughly in cold water before using. Never use soap or detergent.When filling your tank, place a saucer on the gravel and pour water onto the saucer. This will prevent the water from disturbing your layer of gravel.The aquarium gravel will become a home for beneficial bacteria to keep your aquarium healthy. Once your aquarium is established, do not wash the gravel. Just use a gravel vacuum once amonth to clean out loose particles.
Caution: Gravel may contain minerals that affect water pH. Monitor your water pH after adding gravel and adjust as necessary to avoid sudden pH changes.