Long-lasting nutrient substrate for freshwater aquariums.

Main Features:
• Nutrient substrate for the growth of beautiful and lasting plants in all freshwater aquariums. Guaranteed to work for 5 years.
• Nutrient storage: Contains important plant nutrients, such as iron. Clay ingredients store nutrients and release them again as needed.
• Efficiently prevents unwanted algae growth by promoting plant growth.
• How to use for aquarium setup: Add the nutrient substrate and cover it with a layer of washed substrate.