Made out of volcanic rock, the bacteria spores germinate when natural waste exists in water, breaking down the squander and making a balanced ecosystem. Nitrates are Normally eradicated by plant absorption, together with by microbes residing in gravel which change nitrates into nitrogen gasoline which then evaporates within the tank. https://pearlaquatics.my/how-to-maintain-a-2-feet-aquarium-bigger-fish-tanks/