diff --git a/src/controllers/tanksController.js b/src/controllers/tanksController.js
index 68d11662..e625f35f 100644
--- a/src/controllers/tanksController.js
+++ b/src/controllers/tanksController.js
@@ -8175,12 +8175,106 @@ exports.validateTankHeight = async (req, reply) => {
 //   }
 // };
 
+// exports.compareMeasuredHeight = async (req, reply) => {
+//   try {
+//     const { tankName, measuredHeight } = req.body;
+
+//     if (!tankName) {
+//       return reply.status(400).send({ message: "Tank name is required." });
+//     }
+
+//     const tank = await Tank.findOne({ tankName });
+//     if (!tank) {
+//       return reply.status(404).send({ message: "Tank not found." });
+//     }
+
+//     const tankHeightFeet = parseFloat(tank.height);
+//     const tankHeightCm = Math.round(tankHeightFeet * 30.48);
+
+//     const capacityPerCm = parseFloat(tank.waterCapacityPerCm);
+//     if (!capacityPerCm || capacityPerCm <= 0) {
+//       return reply.status(400).send({ message: "Invalid waterCapacityPerCm value." });
+//     }
+
+//     const manualWaterLevelLiters = parseFloat(tank.waterlevel) || 0;
+//     const manualWaterLevelInCm = Math.round(manualWaterLevelLiters / capacityPerCm);
+
+//     let sensorWaterLevelInCm = 0;
+//     let sensorWaterLevelLiters = 0;
+
+//     // Try to get IoT data
+//     const iotData = await IotData.findOne({
+//       hardwareId: tank.hardwareId,
+//       "tanks.tankhardwareId": tank.tankhardwareId
+//     }).sort({ date: -1 });
+
+//     if (iotData) {
+//       const matchingTank = iotData.tanks.find(
+//         t => t.tankhardwareId === tank.tankhardwareId
+//       );
+//       if (matchingTank) {
+//         const tankHeightFromSensor = parseFloat(matchingTank.tankHeight);
+//         if (!isNaN(tankHeightFromSensor)) {
+//           const rawSensorWaterLevelInCm = tankHeightCm - Math.round(tankHeightFromSensor);
+//           sensorWaterLevelInCm = Math.max(0, rawSensorWaterLevelInCm);
+//           sensorWaterLevelLiters = Math.round(sensorWaterLevelInCm * capacityPerCm);
+//         }
+//       }
+//     }
+
+//     // Include comparison if measuredHeight provided
+//     let comparison = null;
+//     if (measuredHeight !== undefined) {
+//       const measuredHeightNum = parseFloat(measuredHeight);
+//       if (!isNaN(measuredHeightNum)) {
+//         const measuredHeightRounded = Math.round(measuredHeightNum);
+//         const heightDifferenceInCm = Math.abs(manualWaterLevelInCm - measuredHeightRounded);
+//         const message = heightDifferenceInCm <= 10
+//           ? "Manual measurement matches within 10 cm of sensor/manual data."
+//           : "Manual measurement not matched within range 10 cm.";
+
+//         comparison = {
+//           measuredHeight: measuredHeightRounded + " cm",
+//           actualWaterLevelInCm: manualWaterLevelInCm + " cm",
+//           heightDifferenceInCm: heightDifferenceInCm + " cm",
+//           message
+//         };
+//       } else {
+//         comparison = { message: "Invalid measuredHeight; must be a number." };
+//       }
+//     }
+
+//     reply.send({
+//       status_code: 200,
+//       data: {
+//         tankName: tank.tankName,
+//         tankHeightInCm: tankHeightCm,
+//         capacity: tank.capacity,
+//         manualWaterLevel: manualWaterLevelLiters,          // as integer
+//         manualWaterLevelInCm: manualWaterLevelInCm + " cm",
+//         sensorWaterLevel: sensorWaterLevelLiters,          // as integer
+//         sensorWaterLevelInCm: sensorWaterLevelInCm + " cm",
+//         ...(comparison && { comparison })
+//       }
+//     });
+
+//   } catch (err) {
+//     console.error(err);
+//     reply.status(500).send({ message: err.message || "Internal Server Error" });
+//   }
+// };
+
+
 exports.compareMeasuredHeight = async (req, reply) => {
   try {
-    const { tankName, measuredHeight } = req.body;
+    const { tankName, measuredHeight, tankHeight } = req.body;
 
-    if (!tankName) {
-      return reply.status(400).send({ message: "Tank name is required." });
+    if (!tankName || typeof measuredHeight !== 'number' || typeof tankHeight !== 'number') {
+      return reply.status(400).send({ message: "tankName, tankHeight and measuredHeight (all required, as integers)." });
+    }
+
+    if (tankHeight <= 0 || measuredHeight < 0) {
+      return reply.status(400).send({ message: "Invalid tankHeight or measuredHeight; must be positive numbers." });
     }
 
     const tank = await Tank.findOne({ tankName });
@@ -8188,21 +8282,16 @@ exports.compareMeasuredHeight = async (req, reply) => {
       return reply.status(404).send({ message: "Tank not found." });
     }
 
-    const tankHeightFeet = parseFloat(tank.height);
-    const tankHeightCm = Math.round(tankHeightFeet * 30.48);
-
     const capacityPerCm = parseFloat(tank.waterCapacityPerCm);
     if (!capacityPerCm || capacityPerCm <= 0) {
-      return reply.status(400).send({ message: "Invalid waterCapacityPerCm value." });
+      return reply.status(400).send({ message: "Invalid waterCapacityPerCm in tank data." });
     }
 
-    const manualWaterLevelLiters = parseFloat(tank.waterlevel) || 0;
-    const manualWaterLevelInCm = Math.round(manualWaterLevelLiters / capacityPerCm);
+    // 🔹 Sensor data
+    let sensorGapCm = null;
+    let sensorWaterLevelInCm = null;
+    let sensorWaterLevelLiters = null;
 
-    let sensorWaterLevelInCm = 0;
-    let sensorWaterLevelLiters = 0;
-
-    // Try to get IoT data
     const iotData = await IotData.findOne({
       hardwareId: tank.hardwareId,
       "tanks.tankhardwareId": tank.tankhardwareId
@@ -8213,48 +8302,47 @@ exports.compareMeasuredHeight = async (req, reply) => {
         t => t.tankhardwareId === tank.tankhardwareId
       );
       if (matchingTank) {
-        const tankHeightFromSensor = parseFloat(matchingTank.tankHeight);
-        if (!isNaN(tankHeightFromSensor)) {
-          const rawSensorWaterLevelInCm = tankHeightCm - Math.round(tankHeightFromSensor);
-          sensorWaterLevelInCm = Math.max(0, rawSensorWaterLevelInCm);
+        const tankHeightFromSensor = parseInt(matchingTank.tankHeight, 10);
+        if (!isNaN(tankHeightFromSensor) && tankHeightFromSensor >= 0) {
+          sensorGapCm = tankHeightFromSensor;
+          sensorWaterLevelInCm = Math.max(0, tankHeight - sensorGapCm);
           sensorWaterLevelLiters = Math.round(sensorWaterLevelInCm * capacityPerCm);
         }
       }
     }
 
-    // Include comparison if measuredHeight provided
-    let comparison = null;
-    if (measuredHeight !== undefined) {
-      const measuredHeightNum = parseFloat(measuredHeight);
-      if (!isNaN(measuredHeightNum)) {
-        const measuredHeightRounded = Math.round(measuredHeightNum);
-        const heightDifferenceInCm = Math.abs(manualWaterLevelInCm - measuredHeightRounded);
-        const message = heightDifferenceInCm <= 10
-          ? "Manual measurement matches within 10 cm of sensor/manual data."
-          : "Manual measurement not matched within range 10 cm.";
-
-        comparison = {
-          measuredHeight: measuredHeightRounded + " cm",
-          actualWaterLevelInCm: manualWaterLevelInCm + " cm",
-          heightDifferenceInCm: heightDifferenceInCm + " cm",
-          message
-        };
-      } else {
-        comparison = { message: "Invalid measuredHeight; must be a number." };
-      }
-    }
+    // 🔹 Manual data
+    const manualWaterLevelInCm = measuredHeight;
+    const manualWaterLevelLiters = Math.round(manualWaterLevelInCm * capacityPerCm);
+
+    // 🔹 Comparison
+    const heightDifferenceInCm = Math.abs(manualWaterLevelInCm - (sensorWaterLevelInCm ?? 0));
+    const comparisonMessage = heightDifferenceInCm <= 10
+      ? "Manual measurement matches within 10 cm of sensor data."
+      : "Manual measurement not matched within range 10 cm.";
 
     reply.send({
       status_code: 200,
       data: {
-        tankName: tank.tankName,
-        tankHeightInCm: tankHeightCm,
+        tankName,
+        tankHeightInCm: tankHeight,
         capacity: tank.capacity,
-        manualWaterLevel: manualWaterLevelLiters,          // as integer
-        manualWaterLevelInCm: manualWaterLevelInCm + " cm",
-        sensorWaterLevel: sensorWaterLevelLiters,          // as integer
-        sensorWaterLevelInCm: sensorWaterLevelInCm + " cm",
-        ...(comparison && { comparison })
+        sensor: {
+          tankHeightInCm: tankHeight,
+          sensorGapCm: sensorGapCm ?? null,
+          waterLevelInCm: sensorWaterLevelInCm ?? null,
+          waterLevelLiters: sensorWaterLevelLiters ?? null
+        },
+        manual: {
+          tankHeightInCm: tankHeight,
+          //measuredHeightCm: measuredHeight,
+          waterLevelInCm: manualWaterLevelInCm,
+          waterLevelLiters: manualWaterLevelLiters
+        },
+        comparison: {
+          heightDifferenceInCm,
+          message: comparisonMessage
+        }
       }
     });
 
@@ -8266,8 +8354,6 @@ exports.compareMeasuredHeight = async (req, reply) => {
 
 
 
-
-
 //const ExcelJS = require('exceljs');
 //const IotData = require('../models/IotData'); // adjust the path
 
diff --git a/src/routes/tanksRoute.js b/src/routes/tanksRoute.js
index 320ee3e3..5a67cb8a 100644
--- a/src/routes/tanksRoute.js
+++ b/src/routes/tanksRoute.js
@@ -726,33 +726,51 @@ module.exports = function (fastify, opts, next) {
 
       
         
-        fastify.route({
-            method: "POST",
-            url: "/api/compareWaterLevel",
-            schema: {
-                tags: ["Tank"],
-                description: "Compare measured height with actual water level",
-                summary: "Checks if measured height is within 10 cm of actual water level",
-                // params: {
-                //     type: "object",
-                //     properties: {
-                //         tankName: { type: "string" }
-                //     },
-                //     required: ["tankName"]
-                // },
-                body: {
-                    type: "object",
-                    properties: {
-                        measuredHeight: { type: "string" },
-                        tankName: { type: "string" }
-
-                    },
-                    required: ["measuredHeight","tankName"]
-                }
-            },
-            handler: tanksController.compareMeasuredHeight
-        });
+        // fastify.route({
+        //     method: "POST",
+        //     url: "/api/compareWaterLevel",
+        //     schema: {
+        //         tags: ["Tank"],
+        //         description: "Compare measured height with actual water level",
+        //         summary: "Checks if measured height is within 10 cm of actual water level",
+        //         // params: {
+        //         //     type: "object",
+        //         //     properties: {
+        //         //         tankName: { type: "string" }
+        //         //     },
+        //         //     required: ["tankName"]
+        //         // },
+        //         body: {
+        //             type: "object",
+        //             properties: {
+        //                 measuredHeight: { type: "string" },
+        //                 tankName: { type: "string" }
+
+        //             },
+        //             required: ["measuredHeight","tankName"]
+        //         }
+        //     },
+        //     handler: tanksController.compareMeasuredHeight
+        // });
         
+fastify.post('/api/compareMeasuredHeight', {
+  schema: {
+    tags: ['Tank'],
+    summary: 'Compare manual measured height with sensor data',
+    description: 'Pass tankName, tankHeight (cm) and measuredHeight (cm) as integers. Compares manual measurement vs sensor data and shows water levels.',
+    body: {
+      type: 'object',
+      required: ['tankName', 'tankHeight', 'measuredHeight'],
+      properties: {
+        tankName: { type: 'string', example: 'TANK 1 SUMP' },
+        tankHeight: { type: 'integer', example: 213 },          // in cm
+        measuredHeight: { type: 'integer', example: 200 }       // in cm
+      }
+    },
+   
+  },
+  handler: tanksController.compareMeasuredHeight
+});
 
         fastify.route({
           method: "POST",