Grapefruit syrup recipe, doesn't get better than this

I got this recipe from ‪@GlenAndFriendsCooking‬ and it's awesome but i think i made it a bit better.
I forgot to mention that this can last for about 2 months in the fridge, but i doubt that it'll reach over 2 weeks. it's so delicious it'll be gone in the first week.
My version of the recipe:
3-4 grapefruits
600g / 3 cups sugar
1L / 4 cups water
12g / 1/2oz citric acid
The original recipe is here:
• 🔵 Can Glen Make Grapef...
If you're interested in my life and want to see how I'm embarrassing my baby, i have a vlog channel too! There you can keep up with all the other crafty and handy dandy projects that we have. Link is below, go check it out ☺️
@ametuvlogs
/ @andreicantoreanu

[@Vegasshakenandstirred]

I love grapefruit! It has helped me with my digestive issues. Can't wait to try

[@ametukitchen7114]

Let me know what you think :)