Maxwell Premier Turf Hardener 3-0-3 +4Fe Mini

Maxwell Premier Turf Hardener 3-0-3 +4Fe Mini

Late season or early season feed with added iron to harden turf and offers good colour without excessive growth. Ideal for greens, cricket and fine turf lawns.

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Maxwell Premier Turf Hardener 3-0-3 +4Fe Mini

Late season or early season feed with added iron to harden turf and offers good colour without excessive growth. Ideal for greens, cricket and fine turf lawns.

Turf Hardener is an extremely flexible fertiliser that can also be used to complement the other products in the PREMIER RANGE.


Application Rate & Spreader Information

LongevityGranule SizeCutting HeightBag SizeApplication Rate g/m²Bag Coverage
4 - 6 weeksMini 0.7 - 1.8 mmAll turf especially fine turf20 kg30 - 35571

  • 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.
  • Should not be applied to wood, stone or any hard standing areas as staining may occur.
SpreaderApplication RateSingle PassDouble PassSpread Width
Accupro (cone 9)35g/m²P 1/2L 1/23.3m
Flex Select35g/m²1612.53.6m


Product Analysis

IngredientOxide ValueElemental Value
Total Nitrogen (N) 3.00%
    Ammoniacal Nitrogen (NH4) 3.00%
Phosphorus Pentoxide (P2O5)0.00%0.00% P
    soluble in neutral ammonium citrate0.00%0.00% P
    soluble in water0.00%0.00% P
Potassium Oxide (K2O) soluble in water3.00%2.49% K
    Calcium Oxide (CaO)26.10%18.65% Ca
    Sulphur Trioxide (SO3)19.90%7.97% S
    Iron (Fe) 4.00% Fe


For further information regarding Maxwell Premier Turf Hardener 3-0-3 +4Fe Mini 20kg or any of our other turf fertilisers, please contact our technical sales team on .

Delivery charges (if applicable) applied at checkout. Next working day delivery is available on ‘In Stock’ items, on orders placed before 12 noon. Please allow 3-5 working days on all other orders – possibly longer during the festive season & bank holidays. Please note deliveries to more remote areas may also take longer. More delivery info Please Note: If you have any access restrictions for lorries or large vehicles please speak to our sales team on . Collection from our Naul, Co. Dublin, Trade Counter is available for this product. More info on collections