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MasterBlend 3 Part Kit (Lettuce Formula)

MasterBlend 3 Part Kit (Lettuce Formula)

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Buy Masterblend Lettuce Formula (8-15-36), Magnesium Sulfate, and Calcium Nitrate (15.5-0-0) together and save!

Product Details

Masterblend’s 8-15-36 lettuce formula is specifically formulated to maximize yield with all types of lettuce and other greens and it’s now available in Canada exclusively from Gecko Grow. Ideal for use in any hydroponic system and even in soil.  It is 100% water soluble so it won’t clog sprayers and when used with magnesium sulfate and calcium nitrate (sold separately), it creates a super charged solution that contains all the macro and micro nutrients your greens need to thrive.

Dosage instructions:

  1. Place 25 litres of warm water into a container
  2. Add 16 grams Masterblend Lettuce Formula (8-15-36) into the water and mix until completely dissolved.
  3. Add 8 grams of Magnesium Sulfate into the water and mix until completely dissolved.
  4. Add 16 grams of Calcium Nitrate (15.5-0-0) into the water and mix until completely dissolved.
  5. Nutrient solution is now ready for use.

NOTE: Masterblend and Magnesium Sulfate must be completely dissolved prior to adding Calcium Nitrate to prevent nutrient lockout.

Dilute to 3/4 strength for seedlings.  Some plants may benefit from up to 25% more magnesium sulfate.


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