Sportsmaster WSF High K 15-0-43+Fe (25kg)


£55.56 ex VAT
£66.67 inc VAT
In Stock

Sportsmaster WSF High K is a premium water soluble fertiliser that is equipped with ICL’ patented Tmax technology. This allows for incredible nutrient uptake through the roots and leaves.


  • Ideal to use between Spring and late Autumn
  • Can be combined with a main granular fertiliser program
  • Best to apply before stressful conditions
  • Delivers great turf hardiness with minimal growth
  • Nitrogen urea source allows for great foliar uptake
  • Chelated Iron content enhances turf colour


Sportsmaster WSF High K is perfect to use anytime between spring and late autumn. It is great to combine with a main granular fertilizer program. It is best to apply the fertilizer before stressful periods like drought or winter.

The low Nitrogen to high Potassium ratio helps to ensure maximum hardening of the turf with minimal growth. The Nitrogen urea source creates efficient foliar uptake. The chelated Iron content enriches turf color.


Sportsmaster WSF products are tank-mixable with other products within the range and H2Pro & H2Pro Maximise wetting agents.

To ensure that this product dissolves completely: all products should be mixed by adding the quantity required to a ½ full spray tank, then agitating for 10 – 15 minutes. Then fill the tank to full capacity with water. The water temperature will affect the dissolution rate.

Avoid applications during frosty or drought conditions. The water volume used to apply Sportsmaster WSF will affect how nutrients are taken up by the plant.

Mix with a spray pattern indicator to aid spraying, condition water and minimize spray drift.

For foliar applications use low water volumes (300 – 600 L/Ha) and to optimize uptake avoid high temperatures and sunny conditions.

For root uptake applications use high water volumes (600 – 1000 L/Ha) and follow immediately with a minimum of 2 – 3 minutes irrigation to provide the necessary water volume and to reduce the risk of turf injury.

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

Suggested period of use: May - December

Pack size: 15kg

Recommended Rate: 15-60kg/ha

Longevity: 2-4 weeks

Granule size: <2.36mm

Product dispersal: immediate

Turf response: <24hrs

Speak to your East Riding Turfcare Area Manager, or a member of our technical team about your nutrition programme.

East Riding Turfcare can offer a FREE technical soil analysis to help support your sports turf management programmes, helping to prevent potential problems. For further information or to book a site visit please contact your local East Riding Turfcare Area Manager or Email Here

Trial first on a small scale before changing the rate, application, or any other variables. As circumstances can differ and the application of these products is beyond our control, East Riding Turfcare cannot be held responsible for any adverse results.

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