Ok...first year beek and i've made my first batch of 2 / 1 and i want to give a dose of Fumagilin B just because i want to say i did it at least once..for the learning experience. the paperwork helped with the quanity to add to the syrup...my questions are.... do i add the powder when syrup is hot...warm or cold?? will the powder mix if cold?? will medication be affected from the heat??