Patios can quickly become dirty during the summer and early autumn months as we spend more time outdoors. And unfortunately, when you have a patio, it's inevitable that you'll experience a build-up of ...

Algae are a diverse group of aquatic organisms that have the ability to conduct photosynthesis. Certain algae are familiar to most people; for instance, seaweeds (such as kelp or phytoplankton), pond ...