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Ultimate PK is a unique Phosphite based bloom stimulant formulated for the last weeks of flower development. Phosphite is an extremely bioavailable form of Phosphate that promotes healthy root systems and helps insure proper nutrient intake and plant health late in the bloom cycle. Ultimate PK is specially designed to act as a hardener, bulker, and ripener to push your production to the limit. ULTIMATE PK is responsible for: -Larger and harder fruit and flowers with the best possible aroma and flavour
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$253.00