1 Outdoor air pollution can cause ongoing throat irritation. Indoor pollution â tobacco smoke or chemicals â also can cause a chronic sore throat. Chewing tobacco, drinking alcohol and eating spicy foods also can irritate your throat.  Muscle strain.
Biosecurity is key to productive aquaculture systems. Biosecurity encompasses all measures designed to prevent diseases from occurring and from spreading by isolating, as much as possible, animal farm populations from external contamination. Recurring or prolonged contact with external environments (water, sediment, wildlife) favors the development of new diseases.
Now that we know what alkalinity is, we can understand why it is an important measure for reef tanks. Corals and other organisms deposit calcium carbonate in their skeletons and other body parts. In order to do this they must generate calcium and carbonate at the surface of the growing calcium carbonate crystal.