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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Also known as coir
and ease of use in mind
Pro Core forms the foundation of the Athena Pro Line
Energy-Efficient: Operates on less power than a 100-watt light bulb
ETL certified
Proactive PKB 16/21 Ventilation Ducting Also known as coirProactive 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
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