What should you check before buying?
Decide how drinks will be served, then check the exact pack, flavour and opened-bottle instructions.
Individual 200ml glass bottles
Choose when: Guests will take unopened mixers from a self-service drinks table.
Consider: A 24-bottle case means more bottles to chill and clear away, and may be more than a small gathering needs.
Shared 500ml glass bottles
Choose when: A host will make drinks to order and can use each opened bottle promptly.
Consider: Sainsbury's says its Fever-Tree Refreshingly Light 500ml bottle should be refrigerated after opening and consumed within three days.
| Priority | What to check | Your needs |
| Bottle format |
Check that the exact pack says glass. Your Coca-Cola UK specifies 24 individual 200ml glass bottles for Schweppes Tonic Water; Sainsbury's specifies a 500ml glass bottle for Fever-Tree Refreshingly Light. |
I want guests to take an unopened mixer, or I will make their drinks from a shared bottle. |
| Flavour |
Match the tonic to a planned drink. Fentimans describes Pink Rhubarb as pink and tangy, and Connoisseurs as clean and balanced; confirm the exact variant's bottle material separately. |
A themed colour might suit one drink, but I also want a tonic option for guests who prefer a different flavour. |
| Calorie comparison |
Compare named products rather than assuming every light tonic has the same recipe. Sainsbury's states that Fever-Tree Refreshingly Light has 50% fewer calories than Fever-Tree Premium Indian Tonic Water. |
I would like to offer a lighter tonic alongside the other mixers. |
| After the party |
Read the opened-bottle instructions; Sainsbury's says to refrigerate its Fever-Tree Refreshingly Light 500ml bottle and consume it within three days. Check your council's rules for disposing of drink bottles. |
If some mixer is left, I need to know whether I can use it within the time stated on its label. |
Brand and product-line references
These examples help distinguish tonic formats and flavours; a brand name alone does not confirm the packaging of another variant.
Schweppes
A classic tonic to consider when individual glass bottles matter: Your Coca-Cola UK lists Schweppes Tonic Water as 24 individual 200ml glass bottles.
- The specified case provides unopened 200ml bottles for individual serving.
- Check whether a 24-bottle case fits the size of your gathering.
Fever-Tree
Sainsbury's lists Fever-Tree Refreshingly Light Tonic Water as a shared 500ml glass bottle.
- Sainsbury's states that this variant has 50% fewer calories than Fever-Tree Premium Indian Tonic Water.
- Refrigerate this 500ml variant after opening and consume it within three days, according to the listing; verify glass packaging separately for other pack sizes.
Fentimans
Fentimans describes distinct tonic flavours for drinks planned around colour or botanicals.
- The manufacturer describes Pink Rhubarb as vibrant pink with tangy rhubarb notes and Connoisseurs as clean and balanced.
- Check the packaging material of the exact Fentimans variant before choosing it for a glass-only drinks table.
Joybuy mixer options
This Joybuy option is a 500ml cocktail mixer for a host making drinks to order. Check the exact bottle material, flavour and intended recipe before planning it into a glass-bottle drinks table.
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Fever-Tree Passionfruit Martini Mixer 500ml
The 500ml size is a shared format to consider when making cocktails to order, rather than handing out individual mixers. Check the exact bottle material and intended recipe before buying: the product descriptions give conflicting cocktail identities.
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Questions about party mixers
How many mixer bottles should I plan for each guest?
Plan around the drinks you expect to make, not a fixed number of bottles per person. Sainsbury's gives 50ml spirit and 150ml mixer as one Fever-Tree serving suggestion; it is a recipe example, not a requirement for each guest. Your Coca-Cola UK lists the Schweppes individual-glass-bottle case as 24 × 200ml, which lets you count unopened bottles against your drinks plan.
Is a tonic multipack necessarily supplied in glass?
No. Check the packaging statement for the exact variant and pack size. Your Coca-Cola UK specifies glass for its Schweppes 24 × 200ml case, while Sainsbury's specifies glass for its Fever-Tree Refreshingly Light 500ml bottle; neither statement establishes the material of other packs.
What should I do with opened 500ml tonic?
Follow the instructions for that bottle. Sainsbury's says to refrigerate Fever-Tree Refreshingly Light 500ml after opening and consume it within three days; check the label rather than applying that instruction to a different mixer.
Can glass mixer bottles go in kerbside recycling?
Check your local council's instructions. The Department for Environment, Food & Rural Affairs lists drink bottles as commonly collected in its 2026 UK guidance, meaning collection by at least 75% of local authorities across the four UK nations, not collection at every address.
What if guests need to check ingredients?
Check the ingredient and allergen information for each exact mixer before serving it. Flavours and light variants can have different formulations, so a different bottle from the same brand is not a substitute for checking the one you will use.