Silent RoarGarden Fertiliser & Cat Repellent 3 Pack (1.5KG)

I have artificial grass that local cats are using as the toilet which is why i would like to know if this can be used or if i need tp purchase somethi

Will my dog eat it?

I purchased the silent roar cat repellant which i find to be a disgrace, it does not work and i would like my money back. edward.

Is this safe for wildlife?