Barrs

this one from morrisons,
https://groceries.morrisons.com/webshop/product/Morrisons-100-Fruit-Still-Lemonade/232766011?prevPageIndex=1&from=search&tags=|105651&param=lemonade&parentContainer=SEARCHlemonade_SHELFVIEW

M&S Still Lemonade - I could drink gallons of the stuff.

Another vote for Schweppes......

https://www.youtube.com/watch?v=hro4AdTYiTA

Fentiman's Victorian Lemonade is my favourite.

Brown lemonade.

Club lemon.

I just boil up whole lemons with some sugared water. Home made lemonade!

Any that isn't too fizzy and doesn't have sugar in it.