Our Algae Removal contains Dodecylbenzyltrimonium Chloride. It can quickly and efficiently eliminate unnecessary moss, control algae growth in the water, and turn the pond into crystal clear water. Its use is simple: 2G per 100L of water to remove algae. Use 1G per 100L of water to prevent. It breaks down dead algae, digests leaves, grass clippings and rocks, and makes the water in the pond clear.