Enola Gaye smoke grenades are designed for professional photography, videography, paintball and airsoft. How would I stop a smoke effect like that? Drop it in a bucket of water. Enola Gaye smoke grenades are designed for professional photography, videography, paintball and airsoft. The smoke is produced by a controlled burn inside the item, but things can and do go wrong. How do you stop a smoke effect like the one you are going to use?.find out and also have suitable fire fighting equipement to hand. If you have not used the effect before try it somewhere safe so you know what it does.
You can google the numbers you require, but the police non-emergency number is 101 As Arthur says, these effects can stain so stand them in or on something that is expendable. Remember they all have there own call centres, so dierct contact with the local fire service will also be sensible.
Let them know what, when, where and for how long, they will then be aware of it and can manage any calls they might get from the public and liase with other emergency services. If you are going to use items of this nature it is always worth a call to your local police service.