Product and order support
Tell us what you need.
Use the water-test guide when you want to compare on your own. Email for product or order details, and call when a conversation is the clearest next step.
Compare mail-in kits by water source, scope, and price.
Include the product name or your order number when applicable.
Use when email is not practical for a product or order question.
Shipping
Review the available shipping method, estimate, and charge before payment. Separate products may arrive in separate shipments.
Read the shipping and returns policyLaboratory test kits
Use the exact collection and return directions included with your kit. Requirements vary by test, and following them matters.
Returns and order changes
Contact us before you send anything back. Eligibility depends on the item, its condition, and whether fulfillment has started.
See the full policyNeed a formal result?
Confirm the required laboratory, method, collection procedure, and reporting limit with the organization that will use the result before you order.