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Bloom XXL

Bloom XXL

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Bloom XXL by Pro Xl is an additive for your cannabis plants’ flowering period. It works as a fattener and also contains iron and other essential ingredients needed for an intense flowering period.

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Bloom XXL by Pro XL is a potent flowering stimulant that produces incredibly large flowers. It’s designed to be used alongside a base fertilizer in order to increase yield and flower size. You can use it alongside other additives such as Flora Exploder and Quick Boost by Pro XL.

Bloom XXL helps home-growers to grow higher-yielding plants, allowing them to focus as much energy as possible on producing flowers. It gives a similar effect as to when you prune away the lower branches – nutrients reach the buds higher up much faster.

Bloom XXL directs nutrients to where your plants need them the most during the flowering period; the flowers themselves. A little extra PK 15/16 to give your plants a good fattening period, which works perfectly alongside iron and other elements.

It’s used alongside Pro XL’s other products to give your plants a full diet. This particular product is used from the third flowering week onwards, and it’s used until you flush out your plants roots. Fatten your buds to incredible sizes!

Your plants will definitely reward you by producing more buds that are much fatter and healthier than usual. If you’re looking to get the best quality and quantity from your plants, we highly recommend using this amazing formula.

Dosage and how to use Bloom XXL by Pro XL:

  • Shake well before using.
  • Add 0.75-2ml per liter of water. Increase progressively as the fattening period goes on.
  • Minimum 0.75ml.
  • When watering constantly using 1ml per liter.
  • Weekly, 2ml per liter.
  • Use alongside Bloom A+B by Pro XL and the rest of additives needed that week.
  • Use 1-2 times a week, every second watering for soil.
  • If using in hydroponics or coco coir, measure EC and never go over 2.2mS/cm during the flowering period.
  • Adjust pH between 6.5 to 6.8 during the flowering period.
  • Stop using 10-15 days before harvesting.


NPK 0-15-16 + Fe

  • 15% Phosphorus
  • 16% Potassium
  • Iron 
  • Trace elements



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