follow the kit instructions for fermentation racking and adding sulfite and sorbate. wait until wine clear about three months add K-meta at dosage of 1/4 tsp for 5 gallons. then commence with a bench trial. first mix a sugar syrup, two cup sugar to one cup hot water, mix in a blender. wait until syrup cools. obtain 1/4 cup sample of the wine possibly three. add 1/4 tsp of syrup to first , two time this to second and three time this to third do taste tests. continue with additional sample if needed adding 1/4 tsp each time. back off the one you like as wine will get sweeter with time. 1/4 cup is 60ml and 1/4 tsp is 1.25 ml should be able to calculate amount required to add to main batch. at that time add k-meta and sorbate. wait one week if not fermenting bottle.