Proactive PKB 16/21 Nutrient Absorption Enhancer

Proactive PKB 16/21 Nutrient Absorption EnhancerProactive PKB Methodology N: 0. 0 P: 16. 0 K: 21. 0 B: 0. 5PKB 16 21 Professional PK Flowering Additive Proactive PKB 16 21 is a high performance professional flowering additive featuring a completely unique phosphorus to potassium ratio of 16 21, enhanced with added boron to maximize flowering performance and crop quality. Designed specifically for the bloom phase, PKB 16 21 enhances photosynthesis, supports efficient water regulation, and delivers

promoting larger

Tool-free assembly in under 5 minutes

Promotes Strong

✅ Low-noise operation

and a healthy root system

this silica supplement will give your plants the structural support they need to flourish

Rich in Essential Micronutrients: Includes trace elements to enhance plant health and overall vitality

Dilute the Solution: Follow the instructions on the packaging for the correct dilution rate based on your growing system

This product is not stocked in-store

Cable and Ventilation Ports: Multiple cable and ventilation access points make it easy to install fans

By supplying essential organic nutrition in an easily assimilable

Developed in 2014 and formerly known as Iceline