diff --git a/brew/water_optimizer.m b/brew/water_optimizer.m
index 3c74769..77d5ee9 100644
--- a/brew/water_optimizer.m
+++ b/brew/water_optimizer.m
@@ -63,7 +63,7 @@ M_Mg_0_mmol = k_Mg_0_mg/M_Mg; % mmol/l
 M_Na_0_mmol = k_Na_0_mg/M_Na; % mmol/l
 M_Cl_0_mmol = k_Cl_0_mg/M_Cl; % mmol/l
 M_S_0_mmol = k_S_0_mg/M_S; % mmol/l
-A = create_mol([i_Ca i_Mg i_Na i_Cl i_S], [M_Ca_0_mmol M_Mg_0_mmol M_Na_0_mmol M_Cl_0_mmol M_S_0_mmol], mol_masses)/5
+A = k_ve*create_mol([i_Ca i_Mg i_Na i_Cl i_S], [M_Ca_0_mmol M_Mg_0_mmol M_Na_0_mmol M_Cl_0_mmol M_S_0_mmol], mol_masses)
 
 # Target profile
 M_Ca_1_mmol = k_Ca_1_mg/M_Ca; % mmol/l