Essentials Plus PK 13/14 is a highly concentrated PK additive intended for use throughout the week of peak flowering. With high levels of phosphorus and potassium at the ideal ratio and in a form ideally suited for plants to assimilate, PK 13/14 gives plants an extra push to produce flowers and fruits of exceptional size and quality. Suitable for use in all growing systems and media, alongside main nutrients. 

Features:

• Enhances yield and quality of flowers and fruits
• Provides essential elements for plants at the peak of flowering 
  
• Suitable for use with any growing system or media 
  

Minimum guaranteed analysis: 

• Potassium Oxide K₂O (water soluble) - 12.0%
• Phosphorus Pentoxide P₂O₅ (water soluble) - 11.3%

Usage rate: 1ml / L during the week of peak flowering