The Canna Mono Series are single mineral element additives. If your plants are suffering from a deficiency problem, this may be the answer. Mononutrients are essential for plant development. Canna Mono Phosphorus helps a plant's flowering process. This can be used with Canna nutrients or any other nutrient range.
Canna Mono Phosphorus comes in a single size – 1 Litre and contains 20% Phosphorus oxide(P205).
Have a look at the Canna Deficiency Guide to see if your plants are showing signs of phosphorus defficiency.