How to File a Patent in X Steps. 1. Search the United States Patent and Trademark Office. Before you invest another dollar or minute of your time, use this search engine to make sure your idea hasn't already been patented. Make sure your idea is something you can patent using this resource from the USPTO.
Phaeophyta or brown algae are a group of autotrophic, multicellular organisms, belonging to the class Phaeophyceae in the division Chromophyta. They contain the xanthophyll pigment - fucoxanthin, in addition to chlorophyll a and c. Hence, the members of phaeophyta exhibit a characteristic greenish-brown color.
The appearance of brown algae in an aquarium is most often blamed on silicates in the tank water. Just like SPS corals that require calcium to grow, diatoms require silicates to grow. However, there are many other factors that cause brown algae and I believe the excess silicates story is way overplayed.