Preis Plant Fertilizer is a fertilizer to be used for grounds in aquariums and is composed of different loams to which iron and nutrients have been added. Every aquatic plants connoisseur knows and appreciates the advantages of the natural loam for the plants. The added nutrients and phytohormones (growth hormones) have a controlled sustained release and, depending on the plants, allows the product to be efficient up to 3 years. Only one dose of Preis - Plant Fertilizer is sufficient for a 100 cm long and 50 cm large aquarium. Add 5 l of gravel to Preis Plant Fertilizer and mix. Put 5-6 cm of gravel cover the loamy-gravel mixture.Do you have questions about this article ?