Specially designed for high-performance Fluval 07 and 06 external filters, the phosphate-removing and resin-impregnated blocks work doubly hard by acting as an effective filter media for both mechanical and biological filtration.
Key Features:
- Designed specifically for Fluval 306/307 and 406/407 filters;
- Effective in controlling and eliminating phosphate;
- Effectively trap floating particles (debris, excess food, waste, etc.) to ensure clear water;
- Prevent potential outbreaks;
- Custom-fit to enhance filtration performance;
- Should be replaced monthly or as needed after testing aquarium water with the Fluval test kit for optimal results;
- Available in a convenient 6-pack;
- Suitable for both freshwater and saltwater aquariums.
