diff -r 7792a410a277 -r 54828816233f src/EditProduct.h
--- a/src/EditProduct.h	Wed May 18 22:21:16 2022 +0200
+++ b/src/EditProduct.h	Thu May 19 20:50:36 2022 +0200
@@ -291,6 +291,10 @@
     void calcEfficiencyAfterBoil();
     void brew_volume_calc(double volume, double kettle_volume, double kettle_height, double est_volume, bool aboil);
     double get_fg(double gravity);
+    double ResCO2(double T);
+    double CarbCO2toS(double CO2, double T, double SFactor);
+    double GetPressure(double CO2, double T1, double T2);
+    double CarbCO2ToPressure(double CO2, double T);
     void calcPack();
 };