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EcoBio-Stone Nano for nano-size aquariums is a volcanic rock and cement block containing beneficial bacteria in spores that are activated by organic waste in the water to create a healthy ecosystem. Extra blocks may be necessary depending on variations in the condition of water, temperature and amount of fish.
1.125 x 1.125 x 1.125
Tank capacity (gal.):
Easy to use in just 3 simple steps
Makes cloudy fish tanks clear and healthy
Minimize aquarium maintenance: Lasts for up to 2 years
Removes smelly tank odors
Safe for all fish, shrimp, frogs, and turtles
Speeds up the nitrogen cycle
EcoBio-Stone Nano keeps tank water clear and is ideal for Betta homes and all nano freshwater and marine aquariums.