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Monument Liquid Herbicide

Monument Liquid


Authorisation Number: 
AU - 62571
Pack size: 
100 mL & 1 L
Activity Group: 
Group 2 Herbicide (formerly Group B)
OD (oil dispersion formulation)

For the control of Sedges, Grasses and Broadleaf Weeds in Turf.

MONUMENT LIQUID Turf Herbicide is the best sedge, broadleaf and grass control partner in couch. It can be used for post-emergent weed management and is ideal for taking out oversown ryegrass in spring. 

MONUMENT LIQUID is a selective herbicide for application after emergence of weeds, for control of certain weeds in established turf. MONUMENT LIQUID is an oil dispersion formulation that mixes readily with water and is applied as a spray.


Common Couch

Durban Grass

Hybrid Couch

QLD Blue Couch


Re-entry Period

  • DO NOT allow entry into treated areas until the spray has dried unless wearing cotton overalls buttoned to the neck and wrist (or equivalent clothing), and chemical resistant gloves. Clothing must be laundered after each day’s use.

Precautionary Statements

  • This product is a registered agricultural chemical and must, therefore, be used in accordance with the container label directions.
  • Each user should read this SDS and consider the information in the context of how the product will be handled and used in the workplace including in conjunction with other products.
  • FIRST AID: If poisoning occurs, contact a doctor or Poisons Information Centre. Phone 131 126. If swallowed, DO NOT induce vomiting. Give a glass of water.
Personal Protective Equipment
  • Will irritate eyes and skin. May irritate nose and throat. Avoid contact with eyes and skin. DO NOT inhale vapour or spray mist. When opening the container, mixing and loading, preparing spray and using the prepared spray wear: - cotton overalls buttoned to the neck and wrist (or equivalent clothing) - elbow-length chemical resistant gloves If product on skin, immediately wash area with soap and water. Wash hands after use. After each day’s use wash gloves and contaminated clothing.

Tank mixing

MONUMENT LIQUID can be tank mixed with Primo Maxx and Primo 250 EC.
MONUMENT LIQUID mixes readily with water, no pre-mixing is required. If pH of water is less than 5.5, use a buffer solution to raise pH to near 7.0.
DO NOT mix MONUMENT LIQUID with acid forming compounds in the spray tank.

Tank mix preparation

This product must be mixed with water and applied by suitable spray equipment.
1. Clean the spray tank before using. If it is contaminated with other materials, mixing problems and/or clogging may occur, or injury to the turf may result.
2. Fill tank no more than 25% full with clean water before adding MONUMENT LIQUID. Begin agitating tank contents vigorously and continue agitation during entire mixing and spraying operation.
3. Pour required amount of MONUMENT LIQUID steadily into tank. Allow vigorous bypass agitation to completely disperse product.
4. After adding required quantity of MONUMENT LIQUID and obtaining complete dispersion, continue to fill tank to desired level for spraying.
5. Add required quantity of non-ionic surfactant if using and continue agitation.
6. Thorough agitation (preferably mechanical) of the spray liquid is essential during the addition of the product and during the entire spraying operation. Recirculate if left to stand.

Implementation particular terms

Note: Spray solution should NOT be left standing in the tank overnight.
Non-ionic Surfactants: Use Agral (600 g ai/L) at 0.42% v/v or 420 mL/100 L spray mix. Alternatively use other quality non-ionic surfactants (1000 g ai/L formulations) at 0.25% v/v or 250 mL/100 L spray mix.

Mixing and spraying

Apply to actively growing weeds during early stages of development for best results. For optimum performance avoid mowing for 1 to 2 days prior to and following application.

Water volume

Ensure product placement as uniformly as possible onto leaves and into crowns. Ideal application volume should be 400 to 800 L/ha.


MONUMENT LIQUID is rainfast within 3 hours of application.

  • In a transport emergency dial 000, Police or Fire Brigade.
    For specialist advice in an emergency only, call 1800 033 111 (24 hours).

  • MONUMENT LIQUID Turf Herbicide is the best sedge, broadleaf and grass control partner in couch. It can be used for post-emergent weed management and is ideal for taking out oversown ryegrass in spring. 


    • Highly effective control of Winter Grass, Ryegrass, sedges and a wide range of broadleaf weeds as well as Kikuyu suppression. 
    • Convenient liquid formulation with low environmental loading 
    • Fully systemic action with root, shoot and leaf uptake 


    • Excellent resistance management strategy when used in combination with BARRICADE Turf Herbicide 
    • Long lasting herbicidal action so follow up applications are rarely needed