• 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

Application rate

1 kg/ha

Water volume

600 - 1,000 L/ha

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
  1. Three quarter fill your spray tank with water
  2. Turn on agitation
  3. Add appropriate tank-mix partner (see compatibility table in our brochure)
  4. Gradually sprinkle required quantity of SeaMax directly into the spray tank to allow solubilisation
  5. Fill spray tank to required volume with agitation
  6. 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