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| Place spray collar on a flat surface with the valve facing upwards |
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Insert the nozzle of the refill into the valve ensuring it is square on |

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Push refill can down and hold for about 20 seconds |

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Spray collar is now filled for approximately 100 sprays |

All spray collars come with an odourless spray canister as standard as recommended by leading animal behaviourists.
If your dog becomes used to the odourless spray and it ceases to have the desired effect, you should switch to using the citronella spray.
The mustard spray should only be used in extreme cases where the odourless and citronella sprays have no effect on your dog.
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