Future Harvest Bud Boom 2.5kg — P-K Ripening Hardener

Future Harvest Bud Boom 2.5kg — P-K Floral Hardener & Ripener

A P-K flowering hardener and finisher from Future Harvest — designed to ripen fruits and flowers, bring out locked-in genetic tastes and aromas, and harden the final flower density. Contains phosphorus, potassium, sulphur, and magnesium — the four elements that drive proper late-flower development and ripening. The 2.5kg size suits commercial or multi-grow use.

Why growers choose Future Harvest Bud Boom:

• P-K ripening hardener — drives flower density and final ripening in late flower
• Sulphur and magnesium included — elements that support ripening beyond just NPK
• Brings out locked-in genetic characteristics — ripening supports full flavour and aroma expression
• 2.5kg commercial size — good value for multi-grow or commercial use
• Soluble dry powder format — dissolves for reservoir dosing, no liquid bulk
• Used in mid-to-late flower — the window where P-K hardening drives real results

Who it's not for:

Not a base nutrient — use alongside a full feeding programme. For pure mid-flower P-K without the hardener angle, Buddha's Tree PK 9-18 or Green Planet Bud Booster are alternative options. Stop 7-10 days before harvest for a proper flush. High-PK additives can lock out calcium if over-applied — follow label dilution carefully.

See it running in our Stone shop. Drop by Unit 24, Emerald Way, Stone Business Park (ST15 0SR) to see this fixture set up, or call us on 01785 556355 (Mon–Fri, 10am–5pm) to talk through whether it's the right choice for your tent size and grow style. In stock now with 24hr UK dispatch, or choose click & collect at checkout.