Strike Water Calculator Calculate the temperature and volume of strike water needed to hit your target mash temperature. Grist Weight 5 kg Grist Temperature 20 °C Ambient Temperature 20 °C Mash Tun Temperature 20 °C Mash Thickness 1.25 L/kg Mash Tun Eqv Vol 0.7 L Target Mash Temp 67 °C Mash Tun Deadspace 2 L