Algae Repellent AgentKeep Your Pond Clean & Algae Free! It's pond startup time Instantly combat unsightly algae growth & leave your aquarium water crystal clear with Algae Repellent Agent! This agent contains natural active ingredients to effectively eliminates excessive moss, algae, and other micro organisms that turn your water from cloudy, green to sparkling clean. Not only inhibiting existing and future algae growth, but it also breaks down dead algae, digests leaves,