Atami Rokzbastic 1.25 l is a bloom fertilizer that can be used from the last weeks of flowering through to the fruiting and ripening phase. Its unique PK 10-20 ratio ensures that your plants get everything they need to form firm, full flowers and fruits. During this phase, potassium and phosphorus are crucial. Phosphorus ensures enough energy during the flowering, fruiting and ripening phases, while potassium supports the firmness of flowers and fruits by regulating internal cell pressure.