Update app.py

app.py

@@ -726,9 +726,17 @@ class HydroCalculator:
         for name, grams in self.fertilizers:
             for element, ratio in fertilizers_db[name].items():
                 ppm[element] = ppm.get(element, 0) + (grams * ratio * 1000) / (self.volume * 10)
-                ppm_ec[element] = ppm.get(element, 0) + (grams * ratio * 1000) / (self.volume * 10)
         return ppm
 
+    def calculate_ppm_ec(self):
+        ppm_ec = {}
+        for name, grams in self.fertilizers:
+            for element, ratio in fertilizers_db[name].items():
+                ppm_ec[element] = ppm_ec.get(element, 0) + (grams * ratio * 1000)
+        return ppm
+
+        
+
     def calculate_ec(self):
         ppm_ec = self.calculate_ppm()
         ec = 0.0