diff --git a/src/controllers/tanksController.js b/src/controllers/tanksController.js
index c171cc27..0110fa94 100644
--- a/src/controllers/tanksController.js
+++ b/src/controllers/tanksController.js
@@ -1175,7 +1175,6 @@ exports.calculateCapacity = async (req, reply) => {
 //     reply.code(500).send({ error: err.message });
 //   }
 // };
-
 exports.IotDevice = async (req, reply) => {
   try {
     const { hardwareId, mode, tanks } = req.body;
@@ -1218,49 +1217,34 @@ exports.IotDevice = async (req, reply) => {
       // Find the corresponding tank in tanksSchema
       const existingTank = await Tank.findOne({ hardwareId, tankhardwareId });
       
-    
       if (existingTank) {
         // Update the waterlevel using the tankHeight value
-        
-        const tank_height1 = (parseInt(existingTank.height.replace(/,/g, ''), 10)) * 30.48;
-        console.log(tank_height1, 25);
-        
-        // The value of tank_height1 is a number, not a string, so you cannot use replace on it.
-        // If you want to format it with commas, you can create a function to add commas to a number.
-        function numberWithCommas(x) {
-          return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
-        }
-        
-        // Now you can use the function to format the tank_height1 value with commas.
-        const formatted_tank_height1 = numberWithCommas(tank_height1);
-        console.log(formatted_tank_height1, 25);
-        
-        const tank_height = parseInt(formatted_tank_height1.replace(/,/g, ''), 10);
-        console.log(tank_height);
-     // console.log(tank_height,1)
-      const water_level_height = tank_height - tankHeight
-      console.log(water_level_height,2)
-      
-      const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10)
-      console.log(waterCapacityPerCm,3)
-      const water_level = water_level_height * waterCapacityPerCm;
-console.log(water_level, 4);
-
-// Function to add commas to a number
-function numberWithCommas(x) {
-  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
-}
-
-const formatted_water_level = numberWithCommas(water_level);
-console.log(formatted_water_level, 4);
-
-existingTank.waterlevel = parseInt(formatted_water_level.replace(/,/g, ''), 10);
-console.log(existingTank.waterlevel);
-
-
+        const tank_height = parseInt(existingTank.height.replace(/,/g, ''), 10) * 30.48;
+        const water_level_height = tank_height - tankHeight;
+        const waterCapacityPerCm = parseInt(existingTank.waterCapacityPerCm.replace(/,/g, ''), 10);
+        const water_level = water_level_height * waterCapacityPerCm;
+        existingTank.waterlevel = water_level.toString(); // Convert to string as per schema definition
 
         // Save the updated tank document
         await existingTank.save();
+
+        // Update water level of tanks linked through output connections
+        for (const outputConnection of existingTank.connections.outputConnections) {
+          const linkedTank = await Tank.findOne({ hardwareId: outputConnection.outputConnections });
+          if (linkedTank) {
+            linkedTank.waterlevel = existingTank.waterlevel;
+            await linkedTank.save();
+          }
+        }
+
+        // Update water level of tanks linked through input connections
+        for (const inputConnection of existingTank.connections.inputConnections) {
+          const linkedTank = await Tank.findOne({ hardwareId: inputConnection.inputConnections });
+          if (linkedTank) {
+            linkedTank.waterlevel = existingTank.waterlevel;
+            await linkedTank.save();
+          }
+        }
       }
     }