Step 1: MeasureMeasure the area of lawn that will be treated to work out how much to apply. Step 2: Connect- Shake well before use. - Connect hose to bottle.- Check applicator on/off switch is in the OFF position, then lift plastic flap at front of applicator so it is open. Turn on tap.Step 3: Apply- Turn applicator to horizontal ON position to start applying.- Walk slowly using a sweeping motion to distribute the spray evenly over the measured lawn area. Keep bottle upright; do not point at the ground. - When finished, turn applicator to OFF position, close plastic flap and turn off tap.Do not apply to newly laid or sown lawns for at least the first 8 weeks to prevent burning of the tender new shoots and roots. For establishing new lawns, use Hortico Starter Lawn Fertiliser for best results. Do not apply in winter when lawn is dormant.