diff --git a/app/Server/src/SERVERAPI/Controllers/NutrientsController.cs b/app/Server/src/SERVERAPI/Controllers/NutrientsController.cs
index 2cf6ce85..08bbf062 100644
--- a/app/Server/src/SERVERAPI/Controllers/NutrientsController.cs
+++ b/app/Server/src/SERVERAPI/Controllers/NutrientsController.cs
@@ -1016,14 +1016,15 @@ private void SolidFertigationCalculation(FertigationDetailsViewModel fgvm){
 
             fertArea = Convert.ToDecimal(fgvm.fieldArea);
 
-            fgvm.nutrientConcentrationN = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valN) / 100 / tankVolume, 2));
-            fgvm.nutrientConcentrationK2O = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valK2o) / 100 / tankVolume, 2));
-            fgvm.nutrientConcentrationP205 = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valP2o5) / 100 / tankVolume, 2));
+            //Need in lb/us gallon
+            fgvm.nutrientConcentrationN = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valN) / 100 / (tankVolume * 1.20095m), 2));
+            fgvm.nutrientConcentrationK2O = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valK2o) / 100 / (tankVolume * 1.20095m), 2));
+            fgvm.nutrientConcentrationP205 = Convert.ToString(Math.Round(amountToDissolve * Convert.ToDecimal(fgvm.valP2o5) / 100 / (tankVolume * 1.20095m), 2));
 
             decimal injectionRate = Convert.ToDecimal(fgvm.injectionRate);
             fgvm.fertigationTime = Math.Round(Convert.ToDecimal(fgvm.tankVolume) / injectionRate, 0);
 
-            if (amountToDissolve <= tankVolume * solInWater){
+            if (amountToDissolve <= tankVolume * solInWater/1000){
                 fgvm.dryAction = "Soluble";
             }
             else{