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The single most asked question in pesticide application is: “How much do I put in a Knapsack Sprayer ?”
The answer is that it depends on the calibration of your sprayer. In short, how many square metres one sprayer full of water + pesticide will cover.
It is important that the correct amount of pesticide is applied per square metre, the amount of water much less so.
As every sprayer has a different capacity, different nozzles with higher or lower output, a different operator who works at a different speed and pumps at a higher or lower pressure, calibration is the only answer. Here is one simple way to do it:
1. Measure exactly one litre of water into an empty sprayer and prepare it for spraying.
2. On a dry hard surface where you can see the spray wet it, walk forward, continually spraying as you would normally operate until the sprayer is empty. Measure how many square metres you have covered. Let us assume that this might be for instance, 20 square metres.
For home lawn and garden rely on Hudson sprayers to protect against insects weeds and plant diseases. We also make life easier with sprayers for wood deck maintenance removing wallpaper mildew control and many other applications. Concrete contractors janitorial and sanitation maintenance workers and pest control operators turn to Hudson
