Maxwell Advanced Fortify 3-0-12 +2MgO +2Fe +Seaweed Mini

Formulated analysis to encourage root development whilst offering sufficient nitrogen to ensure healthy growth, avoiding forcing excessive top growth.

Maxwell Advanced Fortify 3-0-12 +2MgO +2Fe +Seaweed Mini


Formulated analysis to encourage root development whilst offering sufficient nitrogen to ensure healthy growth, avoiding forcing excessive top growth.

The magnesium and iron will aid healthy development, harden the leaf blade at a vulnerable point in the year. The added seaweed will promote a healthy soil flora to facilitate a beneficial environment. All within a homogenous granule.

Fortify is an extremely flexible fertiliser that can also be used to complement the other products in the ADVANCED RANGE.

Application Rate & Spreader Information


LongevityGranule SizeCutting HeightBag SizeApplication Rate g/m²Bag Coverage
4-6 weeksMini 1-2.5mmAll turf especially fine turf20kg30-35571-667

  • Apply evenly, avoid overlapping or missing areas, using a suitable calibrated fertiliser spreader.
  • If there is no rain within 2 days of application irrigate the treated area thoroughly.
  • Do not apply in hot, dry weather or frosty conditions.

SpreaderApplication RateSingle PassDouble PassSpread Width
Accupro (cone 8)30g/m²NJ 1/23.3m
Flex Select30g/m²17.512.54m


Product Analysis


IngredientOxide ValueElemental Value
Total Nitrogen (N) 3.00%
    Ammoniacal Nitrogen (NH4) 3.00%
Phosphorus Pentoxide (P2O5)0.00%
    Soluble in neutral ammonium citrate0.00%0.00% P
    Soluble in water 0.00%0.00% P
Potassium Oxide (K2O) soluble in water12.00%9.96% K
    Magnesium Oxide (MgO)2.00%1.20% Mg
    Calcium Oxide (CaO)6.00%4.20% Ca
    Sulphur Trioxide (SO3)4.50%1.80% S
    Iron (Fe) 2.00% Fe


For further information regarding Maxwell Advanced Fortify 3+0+12+2MgO+2Fe +Seaweed Mini 20kg or any of our other turf fertilisers, please contact our technical sales team on 01902 440250.
Delivery charge (if applicable) applied at checkout. Next working day delivery is available on this product, as an option on orders placed before 12 noon - excludes festive season & bank holidays. Please note deliveries to Highlands, Cornwall and more remote areas may take longer. Surcharges apply for non mainland locations, call for more information. More delivery info


Please Note: If you have any access restrictions for lorries or large vehicles please speak to our sales team on 01902 440250.


Collection from our Telford, Shropshire, Trade Counter is available for this product. More info on collections

Unit Qty: 20kg Bag
Our Code: 320MAXAD0300
VAT 20.00%
Min Qty:
Price ex. VAT: £18.75
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