<p>Instant Ocean sea salt contains every necessary major, minor, and trace element and has no nitrates and no phosphates&#046; It was developed through sophisticated biological and chemical testing, and every batch is analyzed to assure consistent high quality&#046; Exceptional solubility, uniform particle size, and outstanding package value have made Instant Ocean salt the choice of aquarists for over 40 years&#046; No other product outperforms Instant Ocean salt&#046; Our guarantee of quality is supported by a history of proven usage&#046; Instant Ocean is the world&#039;s most popular brand of sea salt&#046; It is available in 5, 10, 25, 50, and 160 gallon sizes&#046;</p><ul></ul>