'or' or 'or else'

[subhajit123]

"Or" or "Or else": Which one I should use?

1- Turn the water up, or (else) we'll be here forever.

2- Turn the water down, or (else) water will splatter everywhere.

3- We must be there by six, or (else) we'll miss the beginning.

4- You should eat more, or (else) you'll make yourself ill.

 

[GoesStation]

They're all fine without "else", which is how I'd probably say them. However, "else" is possible in all of them. It adds a little emphasis.