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FREE Delivery Over £99*

  • FREE Delivery Over £99*

  • Discreet Packaging

  • Best Price Guaranteed

  • Pay In Instalments

  • Safe & Secure Checkout

  • Chat to an Expert

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Field Marshal

Field Marshal Critical Mass

in stock

Starting at £6.50

Grouped product items
ImageProduct Name Qty
Field Marshal Critical Mass 250ml
£6.50
Out of stock
Out of stock
Field Marshal Critical Mass 1L
£15.00
Field Marshal Critical Mass 5L
£47.50

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Field Marshal - Critical Mass

Critical Mass is an advanced PK additive for mid to late flowering. It can be used by growers using hydro, coco or soil.

  • Adds extra yield and Boosts essential oil production
  • Potassium is essential in the manufacture and transports of sugars and starches and in cell division
  • Ensures the plant produces enough sugars during flowering, which are essential for the development of the fruit and flowers
  • Potassium also increases a plant’s resistance to diseases and mould which become more prevalent with increasing floral size and density
  • Provides the perfect ratio of phosphorous to potassium for this period of development
Hydroponics Soil Coco Foliar Feed Organic
 Yes  Yes  Yes  No  No
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Field Marshal Critical Mass