Return Policy and Warranty Details

MX3 30 Day Return Policy

MX3 is excited to make saliva-based hydration testing simple and accessible. If you are not satisfied for any reason with the MX3 Hydration Testing System, you can return it for a replacement or refund within 30 calendar days of delivery. To qualify, returns must be undamaged and in original packaging. Please contact for return information.

You may cancel your pre-order at any time before the product is shipped for a full refund by contacting You will be notified 3-5 business days before shipment is made.

You may be responsible for return shipping costs, where applicable. Missing accessories, consumables, or packaging will incur a restocking fee equivalent to the retail value of the missing parts. Opened MX3 Test Strips are not eligible for returns. Refunds will be processed to the original payment method.

Terms outlined here are in addition to your statutory rights under Australian or US consumer law.

MX3 1 Year Warranty

The MX3 Hydration Testing System comes with a 1-year limited warranty against defects in materials and workmanship from the date of delivery. A 90-day extended warranty applies to repairs returned within the last 90 days of the warranty period. The rights outlined here are in addition to your statutory rights provided by Australian or US consumer law.

Eligible goods may be replaced with a new, refurbished equivalent or superior product (where applicable). Eligible goods may also be repaired with new or refurbished parts or refunded at MX3’s discretion.

This warranty will not apply to:

  • Cosmetic damage due to regular use

  • Damage caused by unintended use

  • Damage caused by external causes

  • Damage caused by non-authorized disassembly, servicing or modification.

This warranty does not guarantee uninterrupted or error free use. MX3 is not liable for any incidental damage resulting from defects (as limited by law).

To claim the warranty, you must contact MX3 support at within the warranty period with proof-of-purchase. If online support or in-person service is not available, you may be required to mail-in your Hydration Testing System for service. For such situations, it is your responsibility to ship or otherwise bring your MX3 goods to an MX3 repair facility for assessment. 

Upon receipt at the repair facility, goods will be assessed to determine whether damage is covered by the 1-year limited warranty. If ineligible, goods will be processed as detailed in the Repair and Servicing Terms and Conditions detailed below. 

For Australian Customers: Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure

Check your MX3 LAB warranty status

Additional T&C for Australia

Warranty Obligor Information

MX3 Diagnostics Inc.

Business Address: 
MX3 Diagnostics Inc. 
108 Wild Basin Rd S
Suite 250
Austin, TX 78746

Email Address:



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