JBL AquaBasis plus 5l

Nutrient-rich substrate for long-term plant growth in freshwater aquariums. Guaranteed action for 5 years. Nutrient reservoir: contains essential nutrients like iron. Clay components store nutrients and release them as needed. Effectively prevents unwanted algae growth by stimulating plant growth. For new tanks: place the nutrient substrate and cover it with a layer of washed gravel. Included in the delivery: 1 bag of ready-to-use long-term nutrient substrate for aquarium plants.