Bio-Activ Live Rift Lake Substrates Cichlid Gravel - 20 lbs - 2 Count Zodiac An accurate external probe measures

An accurate external probe measures the temperature in your terrarium

and over 25 other elements to nourish your aquatic plants

or reef aquariums and is safe for sensitive or scaleless fish such as loaches

ground white rice

Bio-Activ Live Rift Lake Substrates Cichlid Gravel - 20 lbs - 2 Count Zodiac An accurate external probe measuresBio Activ Live Natural Black Live Cichlid Sand African Cichlid Sand, Stones and Gravel for a Healthier Aquarium. No Waiting Just Add Fish! Maintains proper PH for the Life of your African Cichlid Aquarium Contains Natural LIVE Bacteria to quickly stabilize your tank FOR A HEALTHIER AQUARIUM BENEFITS OF BIO ACTIV LIVE AFRICAN CICHLID SUBSTRATES Reduces harmful nitrate Maintains proper pH for the life of the aquarium Provide enhanced buffering capacity