Add white and brown sugar to a medium saucepan.
Add water to saucepan.
Add cinnamon, corriander seeds, nutmeg, kola nut powder and ginger to saucepan.
Put on a medium to high heat and stir well to dissolve sugar.
When mix starts to bubble, turn down to very low heat and simmer with the lid on for twenty minutes, stiring occasionally.
Remove from heat and allow to cool.
Zest and juice one orange. Zest only the second orange.
Zest lemon and juice half lemon.
Zest lime and juice half lime.
Add vanilla, citrus juice and zest and citric acid to pot. Stir well.
Chill in fridge for about two hours or longer to allow flavours to develop.
Line a sieve with a cheesecloth and put it over a large bowl.
Strain cola through cheesecloth.
Transfer cola to a clean airtight jar or container.
To drink add some ice to a glass. Half fill with cola then top with either still water or selzier. Add a slice of lime on the side and drink! Delicious!