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- Water soluble blue dye sachets, easily added to spray tanks with absolutely no mess
- Dissolve completely, even in cold water
- Highly concentrated formulation for low application rates
- Under normal conditions, remains visible for 24-48 hours
Optik Blue WSP are a blue spray pattern indicator packaged in fully water soluble packets (WSP). They are designed for easy, pre-measured, no mess applications. Visible for 24-48 hours, they help eliminate overlapping sprays, missed areas, spray drift or blocked nozzles and can also be used to mark out temporary greens.