The only Turbo to use when the ambient temperature is above 91° F (33° C). Delivers excellent quality alcohol in hot conditions. Heat Wave is also the only yeast we recommend for `stacking `. Up to a 200 litre volume can be fermented using 8 sachets (providing the start liquid temperature and air temperature are both 68° F).,Characteristics: Excellent quality alcohol in hot conditions.,Max Sugar Quantity: 13.2 lbs (6 kg),Ideal Water Start Temp: 68° F (20° C),Ferment Temp Range: 68 - 104° F (20 - 40° C),Ideal Ferment Temp: 86° F (30° C),Approx. Ethanol %: 13.0%