Once you have 2 weeks left on the bud you can stop feedings and use just ph'd water.
Use colder water to bring out purples in plants that are genetically predisposed to do so.
Good luck and stay lit growmie.
FrizzGrizz420 This week was great!!!! I bought a Marshydro 1000watt led light for my grow and it really made a great deal to my grow. They really took off!!!!