Mix the elderflower cheong with the lemon juice, the ginger syrup, the honey, the agar powder and the gellan powder. Mix this well and then bring it to a boil for at least 30 seconds.
Then pour it into a bowl and let it cool down in your fridge.
After that transfer it into a blender and blend it till smooth.
Once smooth pour it into a bowl and vacuum the gel a 100% to remove any air bubbles. This will result in a clear gel with a more intense flavor.