• oxide
  • elemental
Nitrogen Total (N) 4%
Ammoniacal nitrogen (N-NH4) 4.0%
Phosphorus Pentoxide (P205) 0%
Potassium Oxide (K20) 15%
Water soluble (K20) 15.0%
Nitrogen Total (N) 4%
Ammoniacal nitrogen (NH4-N) 4.0%
Phosphorus (P) 0%
Potassium (K) 12.5%
Water soluble 12.5%

Pack size

1 kg

Pack coverage

10,000 m²

Application rate

1 kg/ha

Granule dispersal



2 - 4 weeks

Turf response

<24 hours

Sportsmaster WSF SMX



  • Key points
  • Tank-mixing
  • Directions for use
Key points
  • Maximum performance with the highest active content on the market
  • Tank-mix compatible with selected products
  • Premium high density Atlantic Ascophyllum nodosum seaweed extract
  • Three quarter fill your spray tank with water
  • Turn on agitation
  • Add appropriate tank-mix partner (see compatibility table in our brochure)
  • Gradually sprinkle required quantity of SeaMax directly into the spray tank to allow solubilisation
  • Fill spray tank to required volume with agitation
  • Spray
Directions for use

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


SMX is a soluble seaweed concentrate with proven benefits. The innovative formulation boasts over 75% active seaweed content, which has proven to significantly improve turf colour and quality.

Suggested period of use

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