Another thing I thought would make sense was merging this two perks together, after all they both allow the player to make the rare Nuka Colas from the two games and both perks can be picked at level 22 and both require a high science skill (Quantum Chemist 70 science and Nuka Chemist 90 science). I would suggest removing the Quantum one and making the Nuka Chemist perk give the player a recipe to make Nuka Quantum in addition to the other three recipes.
Nuka Chemist Perk description:
"You have unraveled some of the greatest mysteries of pre-War masters: formula for developing special Nuka-Colas! This perk unlocks special Nuka-Cola recipes at the workbench."
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Nuka-Cola Victory (requires 3 Nuka-Cola, produces 1 Nuka-Cola Victory) -
Nuka-Cola Quartz (requires 3 Nuka-Cola, produces 1 Nuka-Cola Quartz) -
Ice cold Nuka-Cola (requires 3 Nuka-Cola, produces 2 ice cold Nuka-Cola)
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Nuka-Cola Quantum (requires 10 Nuka-Cola, produces 1 Nuka-Cola Quantum) or even make it only use 3 Nuka-Colas like the rest of them since now we would have more recipes where to use our Colas while in FO3 we only had 2 (Quantum and Ice cold)
Or on second thought maybe remove the recipe to make Ice cold Nuka-Cola since with the houses of FO3 we can get the Nuka Fridge and only need 1 Nuka-Cola to make 1 Ice cold Nuka-Cola.
Well that is all up to you guys but at least I think there is no reason to have to pick two different perks to be able to make all the different Colas
.