Hi there ! I never grew or meet someone growing that strain but I know it is a cross between 3 legendary strain : GSC/UK Cheese/Blue(something) so it should be a good quality grow. About your nutrients you'r right , after your 2 first weeks od stretch your plants are now is full flowering stage so they will require more nutrients but the real way to know how much you shoul give them is to take your EC/ppm with an ec/ppm meter and to adjust yout Ec/ppm level thaks to that. About the heat , I'm affraid that it could affect your bud production but if you don't let your soil become to dry / using a fan to create air flow / have an air extractor+intractor , it will only be a slight difference ! Hope it will help you๐๐