ADA Super 4W As the substrate cannot make a fresh start right after the setup, it is important to prepare the substrate in a nearly perfect condition at the time of the initial aquarium setup. Pack contains following ADA substrate additives in individual packets inside and recommended to sprinkle the ADA Super 4 on glass base before filling anything in order to promote the work of microorganisms and enhance the inefficiency of soil or decorative sand. ADA Bacter 100 - It contains more than 100 kinds of substrate bacteria in a dormant state. By sprinkling on the base substrate, it can make an ideal substrate environment. Another great feature of Bacter 100 is that it can suppress the growth of green algae by applying a bit of it on the affected portion. ADA Clear Super - It is a substrate additive made from activated carbon and organic acid. Clear Super helps the growth of microorganisms. By sprinkling on the base substrate, it promotes the growth of microorganisms in the substrate and stabilizes the environment. ADA Tourmaline BC - This contains fine bamboo charcoal, giving it the ability to absorb organic pollutant substances. Add some over the substrate during the initial set-up and it will help to improve the substrate environment. ADA Penac W - It prevents the substrate from becoming anaerobic and improves the substrate environment.