diff --git a/src/bin/3dView/Scene/Bin3dView.tsx b/src/bin/3dView/Scene/Bin3dView.tsx
index d14297d..0d15558 100644
--- a/src/bin/3dView/Scene/Bin3dView.tsx
+++ b/src/bin/3dView/Scene/Bin3dView.tsx
@@ -6,7 +6,7 @@ import { Bin } from "models";
 import BinShell from "../BinParts/BinShell";
 import GrainFillFlat from "../Systems/Inventory/GrainFillFlat";
 import BinCables from "../Systems/Cables/BinCables";
-import { Vector3 } from "three";
+// import { Vector3 } from "three";
 import { useMemo } from "react";
 import { BuildCableData, CableData } from "../Data/BuildCableData";
 import { BuildNodeData, NodeData } from "../Data/BuildNodeData";
@@ -14,10 +14,10 @@ import { pond } from "protobuf-ts/pond";
 import GrainCableFill from "../Systems/Inventory/GrainCableFill";
 import TempHeatMap from "../Systems/Heatmap/TempHeatMap";
 import NodePointCloud from "../Systems/Heatmap/NodePointCloud";
-import { Box } from "@mui/material";
+// import { Box } from "@mui/material";
 import MoistureHeatMap from "../Systems/Heatmap/MoistureHeatmap";
 import { grainYBoundsFromFillPercent } from "../utils/grainFillBounds";
-import { RadiansToDegrees } from "common/TrigFunctions";
+// import { RadiansToDegrees } from "common/TrigFunctions";
 // import { GrainCable } from "models/GrainCable"
 
 // Fallback dimensions used when a bin has no advanced dimensions configured.
@@ -40,6 +40,10 @@ interface Props {
      */
     fillPercent?: number
     nodeClick?: (node: NodeData, cable: CableData) => void
+    /**
+     * When true, renders the basic fill and suppresses the heatmaps.
+     * Heatmaps already simulate the grain level so showing both is redundant.
+     */
     showGrain?: boolean
     showTempHeatmap?: boolean
     showMoistureHeatmap?: boolean
@@ -108,25 +112,30 @@ export default function Bin3dView(props: Props) {
     const resetCameraFn = React.useRef<(() => void) | null>(null);
 
     const grainInventory = () => {
+        const grainColour = "#fff300";
+        //note that adjusting the opacity is how to adjust the brightness, less makes it dimmer
         if (isCableInventory) {
             return (
                 <GrainCableFill
                     diameter={dims.diameter}
+                    colour={grainColour}
                     nodes={nodeData}
                     sidewallHeight={dims.sidewallHeight}
                     fallbackFillPercent={fillPercent}
                     hopperHeight={dims.hopperHeight}
-                    grainOpacity={0.3}
+                    // grainOpacity={0.7}
                 />
             )
         } else if (fillPercent) {
             return (
                 <GrainFillFlat
                     diameter={dims.diameter}
+                    colour={grainColour}
+
                     sidewallHeight={dims.sidewallHeight}
                     hopperHeight={dims.hopperHeight}
                     fillPercent={fillPercent}
-                    grainOpacity={0.3}
+                    // grainOpacity={0.7}
                 />
             )
         }
@@ -155,8 +164,6 @@ export default function Bin3dView(props: Props) {
                     renderOrder={4}
                 />
 
-                {showGrain && grainInventory()}
-
                 <BinCables
                     displayTemp={showTemp}
                     displayMoisture={showMoisture}
@@ -172,24 +179,25 @@ export default function Bin3dView(props: Props) {
                 {showHotspots && <NodePointCloud bin={bin} nodes={nodeData} />}
 
                 {/* note that the heatmaps internally use render order 1,2, and 3 for the three separate coloured meshes */}
-                {showTempHeatmap && (
-                    <TempHeatMap
+                {showGrain ? grainInventory() :
+                showTempHeatmap && nodeData.length > 0
+                    ? <TempHeatMap
                         binDimensions={dims}
                         targetTemp={bin.targetTemp()}
                         nodes={nodeData}
                         flatMaxY={flatGrainBounds?.maxY}
                         flatMinY={flatGrainBounds?.minY}
                     />
-                )}
-                {showMoistureHeatmap && (
-                    <MoistureHeatMap
-                        binDimensions={dims}
-                        targetMoisture={bin.targetMoisture()}
-                        nodes={nodeData}
-                        flatMaxY={flatGrainBounds?.maxY}
-                        flatMinY={flatGrainBounds?.minY}
-                    />
-                )}
+                    : showMoistureHeatmap && nodeData.length > 0
+                        ? <MoistureHeatMap
+                            binDimensions={dims}
+                            targetMoisture={bin.targetMoisture()}
+                            nodes={nodeData}
+                            flatMaxY={flatGrainBounds?.maxY}
+                            flatMinY={flatGrainBounds?.minY}
+                        />
+                        : grainInventory()
+                }
 
             </group>
 
diff --git a/src/bin/3dView/Systems/Inventory/GrainCableFill.tsx b/src/bin/3dView/Systems/Inventory/GrainCableFill.tsx
index 3cb8cd7..f7b769b 100644
--- a/src/bin/3dView/Systems/Inventory/GrainCableFill.tsx
+++ b/src/bin/3dView/Systems/Inventory/GrainCableFill.tsx
@@ -16,6 +16,7 @@ interface Props {
      * If undefined and no top nodes exist, nothing is rendered.
      */
     fallbackFillPercent?: number;
+    colour?: string
 }
 
 // Tuning knobs
@@ -59,13 +60,13 @@ export default function GrainCableFill(props: Props) {
         hopperHeight = 0,
         nodes,
         fallbackFillPercent,
-        grainOpacity
+        grainOpacity,
+        colour
     } = props;
 
     const binRadius = diameter / 2;
     // Slightly inset to avoid z-fighting with the shell
     const grainRadius = binRadius * 0.98;
-    const grainColour = "#fff302";
 
     // --- Collect top nodes (non-excluded, inGrain) ---
     const topNodes = useMemo(() =>
@@ -256,7 +257,7 @@ export default function GrainCableFill(props: Props) {
                         }}
                         position={new Vector3(0, -(sidewallHeight / 2 + hopperHeight) + hopperFillHeight / 2, 0)}
                         rotation={new Euler(Math.PI, 0, 0)}
-                        colour={grainColour}
+                        colour={colour}
                         roughness={1}
                         metalness={0}
                         opacity={grainOpacity}
@@ -276,7 +277,7 @@ export default function GrainCableFill(props: Props) {
                             openEnded: false
                         }}
                         position={new Vector3(0, -sidewallHeight / 2 + cylinderFillHeight / 2, 0)}
-                        colour={grainColour}
+                        colour={colour}
                         roughness={1}
                         metalness={0}
                         opacity={grainOpacity}
@@ -296,7 +297,7 @@ export default function GrainCableFill(props: Props) {
             {surfaceGeometry && (
                 <mesh renderOrder={0} geometry={surfaceGeometry}>
                     <meshStandardMaterial
-                        color={grainColour}
+                        color={colour}
                         roughness={1}
                         metalness={0}
                         side={THREE.DoubleSide}
@@ -319,7 +320,7 @@ export default function GrainCableFill(props: Props) {
                     heightSegments: 1,
                     openEnded: false
                 }}
-                colour={grainColour}
+                colour={colour}
                 roughness={1}
                 opacity={grainOpacity}
                 depthWrite={false}
@@ -338,7 +339,7 @@ export default function GrainCableFill(props: Props) {
                     }}
                     position={hopperPosition}
                     rotation={hopperRotation}
-                    colour={grainColour}
+                    colour={colour}
                     roughness={1}
                     metalness={0}
                     opacity={grainOpacity}
diff --git a/src/bin/3dView/Systems/Inventory/GrainFillFlat.tsx b/src/bin/3dView/Systems/Inventory/GrainFillFlat.tsx
index e954a1d..d0cfcf5 100644
--- a/src/bin/3dView/Systems/Inventory/GrainFillFlat.tsx
+++ b/src/bin/3dView/Systems/Inventory/GrainFillFlat.tsx
@@ -9,6 +9,7 @@ interface Props {
     hopperHeight?: number;
     fillPercent: number;
     grainOpacity?: number;
+    colour?: string
 }
 
 export default function GrainFillFlat(props: Props) {
@@ -17,7 +18,8 @@ export default function GrainFillFlat(props: Props) {
         sidewallHeight,
         hopperHeight = 0,
         fillPercent,
-        grainOpacity
+        grainOpacity,
+        colour
     } = props;
 
     const radius = diameter / 2;
@@ -82,9 +84,6 @@ export default function GrainFillFlat(props: Props) {
         [sidewallHeight, cylinderFillHeight]
     );
 
-    // --- material ---
-    const grainColour = "#fff302";
-
     return (
         <>
             {/* Hopper fill */}
@@ -98,7 +97,7 @@ export default function GrainFillFlat(props: Props) {
                     }}
                     position={hopperPosition}
                     rotation={hopperRotation}
-                    colour={grainColour}
+                    colour={colour}
                     roughness={1}
                     metalness={0}
                     opacity={grainOpacity}
@@ -119,7 +118,7 @@ export default function GrainFillFlat(props: Props) {
                         openEnded: false
                     }}
                     position={cylinderPosition}
-                    colour={grainColour}
+                    colour={colour}
                     roughness={1}
                     metalness={0}
                     opacity={grainOpacity}
diff --git a/src/bin/bin3dVisualizer.tsx b/src/bin/bin3dVisualizer.tsx
index 06bc722..9bdfd0c 100644
--- a/src/bin/bin3dVisualizer.tsx
+++ b/src/bin/bin3dVisualizer.tsx
@@ -414,8 +414,6 @@ export default function bin3dVisualizer(props: Props){
             showMoistureHeatmap={showMoistureHeatmap}
             showTemp={showTemp && showLabels}
             showMoisture={showMoisture && showLabels}
-            // showGrain={showFill}
-            // showHotspots={showHotspots}
             xOffset={isMobile ? undefined : -120}
           />
           {isMobile ? mobileHUD() : desktopHUD()}
diff --git a/src/bin/binSummary/BinSummary.tsx b/src/bin/binSummary/BinSummary.tsx
index 293a720..dcab089 100644
--- a/src/bin/binSummary/BinSummary.tsx
+++ b/src/bin/binSummary/BinSummary.tsx
@@ -71,6 +71,25 @@ export default function BinSummary(props: Props){
     //     }
     // },[devices])
 
+    const inventoryControl = () => {
+      switch (bin.inventoryControl()) {
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_MANUAL:
+          return "Manual"
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_AUTOMATIC:
+          return "Auto Cable"
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_AUTOMATIC_LIDAR:
+          return "Auto Lidar"
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_HYBRID_CABLE:
+          return "Hybrid Cable"
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_HYBRID_LIDAR:
+          return "Hybrid Lidar"
+        case pond.BinInventoryControl.BIN_INVENTORY_CONTROL_LIBRACART:
+          return "Libra Cart"
+        default:
+          return "Not Set"
+      }
+    }
+
     const activity = (reading: string) => {
         //if the device hasnt checked in in 6 hours = missing 12 hours = inactive within 6 hours = live
         let status = "Live"
@@ -139,7 +158,7 @@ export default function BinSummary(props: Props){
         {/* Fill row */}
         <Box sx={{ borderTop: `1px solid ${grey[800]}`, px: 2, pt: 1.5, pb: 1.75 }}>
           <Box display="flex" alignItems="baseline" justifyContent="space-between" sx={{ mb: 1 }}>
-            <Typography variant="caption" sx={{ color: grey[500] }}>Bin fill</Typography>
+            <Typography variant="caption" sx={{ color: grey[500] }}>Bin fill ({inventoryControl()})</Typography>
             <Box display="flex" alignItems="baseline" gap={0.75}>
               <Typography sx={{ fontSize: 20, fontWeight: 500 }}>
                 {bin.inventoryControl() === pond.BinInventoryControl.BIN_INVENTORY_CONTROL_MANUAL
@@ -210,7 +229,7 @@ export default function BinSummary(props: Props){
             {/* Bin Fill */}
             <Box sx={{ flexGrow: 1, maxWidth: 450, mx: 4 }}>
               <Typography variant="caption" sx={{ color: grey[500] }}>
-                Bin Fill
+                Bin Fill ({inventoryControl()})
               </Typography>
               <Box display="flex" alignItems="center" gap={1} sx={{ mt: 0.5 }}>
                 {/* hidden measuring span, renders off-screen */}