| 20090124501 | Silicic Acid Componenet Supplying Agent For Algae And Method For Supplying Silicic Acid Component To Algae - A silicic acid component supplying agent for algae to be added to water in which algae requiring silicic acid to grow live, in order to supply a silicic acid component to the algae. The agent includes a silicic acid gel, as a main component, obtained by previously causing a reaction between an alkali metal silicate and a mineral acid within a system other than the water in which the algae live. | 05-14-2009 |
