API Phos-Zorb Size 6 Aquarium Canister Filter Filtration Pouch

API Phos-Zorb Filter. Phosphate can come from tap water, fish waste, uneaten food or dead algae. In freshwater tanks, high phosphate levels can cloud water and dirty aquarium glass and gravel, increasing the need for maintenance. API Phos-Zorb Filter removes phosphate and silicate for clearer, cleaner conditions. It also removes compounds that prevent healthy plant growth and promotes the growth of hard and soft corals in saltwater tanks. API Phos-Zorb Filter comes in a convenient pouch. Just place it in the water flow of the aquarium filter and replace every two months or when there are high levels of phosphate and silicate.

Key Benefits:

• Helps remove cloudy water in freshwater, saltwater and reef aquariums.
• Reduces phosphates and silicates that dirty tanks and prevent plant and coral growth.
• Removes compounds that prevent healthy plant growth and promotes the growth of hard and soft corals in saltwater tanks.
• Removes compounds that inhibit plant growth in freshwater aquariums.
• Recommended to replace pouch every two months or when testing indicates the presence of phosphate or silicate.