The 7 Balls are hardened pellets of manure that use a special method to enrich aquatic plants with essential nutrients - especially iron and trace elementsThe nutrients are released slowly which creates a beneficial deposit effect.The ball form allows for convenient use even in fresh water aquariums that are pre-arranged. The 7 Balls are especially well-suited for targeted fertilization or refertilization of aquatic plants who gather further nutrients in their roots ex. Echinodorus-Arten Cryptocorynen and others. Application Depending on the size of the aquatic plants press one or more balls into the ground at the base of the roots. Repeat after approx. one year.
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