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FieldMark
Spray pattern indicator
Tolbest spray pattern indicator gives you a visible, non-permanent indication of where a spray application has landed.
See where the spray has landed
Once a spray pass has been made, it can be difficult to judge coverage by sight alone. FieldMark’s non-toxic formulation gives you a temporary visual indication of the treated area, helping you see where the application has landed and where coverage may have been missed. It provides a practical way to improve spray visibility across turf, amenity and agricultural applications without leaving a permanent mark.
Applications & Uses
FieldMark can support turf, amenity and agricultural applications where spray coverage needs to be visible.
Confirm spray coverage
See where an application has landed and which areas have already been treated.
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Identify missed areas
Spot visible gaps in coverage so you can assess whether further attention is needed.
Check application overlap
See where spray passes meet and identify areas where coverage may have been repeated.
Work around boundaries
Make drift easier to see when spraying near buffer zones, watercourses or neighbouring land.
FieldMark Colour Options
Explore our range of available colour options, designed to provide clear visual identification and suit a variety of applications.
FieldMark Data Sheets
Access current safety, technical and application information for Tolbest FieldMark spray pattern indicator.
Customer testimonials
See how VoidMark supports clear food-condemnation and waste-control processes.
FAQs
Tolbest FieldMark is a temporary colour indicator added to a spray application to make the treated area easier to see.
FieldMark gives the application a visible colour, showing where spray has landed and helping you identify gaps or repeated coverage.
No. FieldMark fades naturally through sunlight, rain and normal wear, leaving no lasting mark on turf, crops or soil. On hard surfaces, colour can remain visible for up to three days depending on UV exposure.
FieldMark is compatible with herbicides, fungicides, insecticides and liquid fertilisers in the tank mix. It is suitable for use with all UK-authorised Plant Protection Products. See Technical Data Sheet for more information.
For Mankar ULV sprayers, use 20-40ml per litre of concentrate. For mounted and handheld hydraulic sprayers, use 1.0-2.5ml per litre of spray solution.
Add half the required water first, followed by the Plant Protection Product, fertiliser or biostimulant according to its instructions. Add FieldMark, then top up with the remaining water.
No. FieldMark washes out with the standard tank rinsate.
FieldMark has a shelf life of two years from the date of manufacture when stored in accordance. See Technical Data Sheet for more information.
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