A salp (plural salps) or salpa (plural salpae or salpas) is a barrel-shaped, planktic tunicate. Cyclosalpa bakeri is a salp, a marine tunicate in the class Thaliacea. The salp strains the pumped water through its internal feeding filters, feeding on phytoplankton. He also operates a film company in Netherlands called Salp films. Salpa fusiformis, sometimes known as the common salp, is the most widespread species of salp. Salp colonies can be several meters in length. Sodium aluminium phosphate (SAlP) describes the inorganic compounds consisting of sodium salts of aluminium phosphates. Upon heating, SAlP combines with the baking soda to give carbon dioxide.