diff --git a/js/common/model/DensityBuoyancyModel.ts b/js/common/model/DensityBuoyancyModel.ts
index 80afcedb..0af81dcd 100644
--- a/js/common/model/DensityBuoyancyModel.ts
+++ b/js/common/model/DensityBuoyancyModel.ts
@@ -28,8 +28,9 @@ import PhysicsEngine, { PhysicsEngineBody } from './PhysicsEngine.js';
 import Mass from './Mass.js';
 import Basin from './Basin.js';
 import Cuboid from './Cuboid.js';
-import NumberProperty, { RangedProperty } from '../../../../axon/js/NumberProperty.js';
+import NumberProperty from '../../../../axon/js/NumberProperty.js';
 import TReadOnlyProperty from '../../../../axon/js/TReadOnlyProperty.js';
+import TRangedProperty from '../../../../axon/js/TRangedProperty.js';
 
 // constants
 const BLOCK_SPACING = 0.01;
@@ -53,7 +54,7 @@ export default class DensityBuoyancyModel {
   public readonly showBuoyancyForceProperty: Property<boolean>;
   public readonly showContactForceProperty: Property<boolean>;
   public readonly showForceValuesProperty: Property<boolean>;
-  public readonly forceScaleProperty: RangedProperty;
+  public readonly forceScaleProperty: TRangedProperty;
   public readonly showMassesProperty: Property<boolean>;
   public readonly gravityProperty: Property<Gravity>;
   public readonly liquidMaterialProperty: Property<Material>;
diff --git a/js/density/view/ComparisonNumberControl.ts b/js/density/view/ComparisonNumberControl.ts
index db207b7b..d5e52074 100644
--- a/js/density/view/ComparisonNumberControl.ts
+++ b/js/density/view/ComparisonNumberControl.ts
@@ -6,7 +6,6 @@
  * @author Jonathan Olson <jonathan.olson@colorado.edu>
  */
 
-import { RangedProperty } from '../../../../axon/js/NumberProperty.js';
 import TReadOnlyProperty from '../../../../axon/js/TReadOnlyProperty.js';
 import Dimension2 from '../../../../dot/js/Dimension2.js';
 import Utils from '../../../../dot/js/Utils.js';
@@ -18,12 +17,13 @@ import { Text } from '../../../../scenery/js/imports.js';
 import SunConstants from '../../../../sun/js/SunConstants.js';
 import DensityBuoyancyCommonConstants from '../../common/DensityBuoyancyCommonConstants.js';
 import densityBuoyancyCommon from '../../densityBuoyancyCommon.js';
+import TRangedProperty from '../../../../axon/js/TRangedProperty.js';
 
 export type ComparisonNumberControlOptions = NumberControlOptions;
 
 export default class ComparisonNumberControl extends NumberControl {
   public constructor(
-    property: RangedProperty,
+    property: TRangedProperty,
     titleStringProperty: TReadOnlyProperty<string>,
     valuePatternStringProperty: TReadOnlyProperty<string>,
     valueName: string,