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Maxwell Bullet Phosphite

Maxwell Bullet Phosphite (37%) 5L

A super-concentrated form (37%) of stabilised phosphite (PO3) derived from a blend of ammonium and potassium phosphate which is taken up quickly and mobilised around the whole plant.

Maxwell Bullet Phosphite - LiquidMaxwell Bullet Phosphite Elemental Components

Bullet Phosphite provides protection for new and existing growth by assisting the plant in periods of stress, thereby aiding disease resistance via the induction of beneficial metabolic responses to pathogens. Also a potent stimulator of plant root growth.

Unlike cheaper phosphites, this formulation contains zero aluminium phosphite.

For an Information Brochure detailing the full plant benefits and features of the entire Bullet Range, including a Tank Mixing Guide, please click here.


ApplicatorApplication RateWater VolumePack Size (Litres)Pack Coverage (m²)
Boom Sprayer2.5 - 5 ltr/ha200 - 400 ltr/ha520,000 - 10,000
Knapsack0.25 - 0.5 ml/m²20 - 40 ml/m²

Apply evenly, avoid overlapping or missing areas, using a suitable calibrated sprayer.

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.

Half fill the sprayer with clean water. Add concentrate as required and mix thoroughly whilst adding remaining water.


IngredientOxide ValueElemental Value
Total Nitrogen (N) 5.20%
    Ammonium (N) 5.20%
Phosphorus Pentoxide (P2O5)33.10%14.44% P
    Phosphite (PO3)37.00%14.44% P
Potassium Oxide (K2O)7.80%6.48% K
Specific Gravity1.27
pH3.0 - 5.0

For further information regarding Maxwell Bullet Phosphite, please contact our technical sales team on 01952 641949.

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 01952 641949.

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