Proactive PKB 16/21 Nutrient Absorption Enhancer By supplying essential organic nutrition

By supplying essential organic nutrition in an easily assimilable

Tool-free assembly in under 5 minutes

✅ Low-noise operation

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

Proactive PKB 16/21 Nutrient Absorption Enhancer By supplying essential organic nutritionProactive 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