The Protek Sprayrite Blue Colourant Spray Indicator is a simple. cost-effective solution designed to optimise your pesticide. herbicide. or liquid fertilizer application. This ready-to-use blue colourant temporarily marks sprayed areas. providing clear visual identification to prevent costly over-application or missed spots.The formulation is designed to be temporary. fading naturally in sunlight. typically within 48 hours. provided no rain occurs after…
