• oxide
  • elemental
Nitrogen Total (N) 7%
Ammoniacal nitrogen (N-NH4) 2.8%
Urea nitrogen (Ur-N) 4.2%
Phosphorus Pentoxide (P205) 0%
Potassium Oxide (K20) 14%
Water soluble (K20) 14.0%
Iron (Fe) 4.00%
Nitrogen Total (N) 7%
Ammoniacal nitrogen (NH4-N) 2.8%
Urea nitrogen (Ur-N) 4.2%
Phosphorus (P) 0%
Potassium (K) 11.6%
Water soluble 11.6%
Iron (Fe) 4.00%


Granule size


Pack size


Application rate

30 - 35g/m²

Pack coverage

714 - 833m²


6 Weeks

Product dispersal

3-4 days

Turf response

7 days

Greenmaster Pro-Lite Double K CalMag

Double K CalMag


  • Key points
  • Directions for use
  • Spreader settings
Key points
  • Ideal alternative autumn treatment when phosphate levels are adequate
  • Low nitrogen application allows use throughout the year
  • High Potassium content to harden turf in stressful summer or autumn conditions
  • Phosphate free formulation aids management of soil Phosphorus build-up
  • Limits phosphate build up and Poa annua establishment.
Directions for use
  • Apply to dry foliage and irrigate after 1 – 2 days, if no rain has fallen
  • Irrigation will aid with dispersion and minimize any risk of lawnmower pick-up on close cut surfaces
  • Avoid applications during frosty or drought conditions
  • Watering-in after application will minimize the visibility of foot prints
  • If spilt on pavement, concrete, clothes, etc. brush off immediately as the product can cause discoloration
  • Delay vertical cutting a/o grooming for 3 days after application; allows the granules to properly disperse


Contains Iron:
Do not apply in case of risk of contact with concrete, marble, stone, fabric, swimming pool, ... - If spilt on paving slabs, concrete, clothes etc. brush off immediately, as product may cause discolorations


Spreader settings

Spreader Settings PDF

Spreader type


Application method

Cone setting

Spreader width (m)

Application rate g/m2


Application rate g/m2


Rotary spreader (SR-2000 or Accupro 2000)

Full Rate

1x pass





Rotary spreader (SR-2000 or Accupro 2000)

Half Rate

 2x pass



 J 1/2


Drop Spreader (SS-2)

Full Rate

1x pass 





Greenmaster Pro-Lite Double K CalMag has a low nitrogen, high potassium formulation. It is ideal for turf strengthening throughout the year, now with added calcium and magnesium

Suggested period of use

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec