We are a small team in Austin, Texas, and we would love to hear from you — whether you have a question before you buy, need help with an order, or want a recommendation on the right bottle, filter or carafe for your home.
Customer support
Email: support@hydroonline.store
We answer every message and reply to most within one business day. Email is the fastest way to reach us, and it gives us a record of your order so we can help right away.
Business hours
Our support team is available Monday through Friday, 9:00 AM to 5:00 PM Central Time, excluding U.S. public holidays. Messages sent outside these hours are answered on the next business day.
Mailing address
Hydro Online (KJB LLC)
1301 Parker Lane, Unit 339
Austin, TX 78741
United States
Please note this is our business and returns-processing address. Before sending anything back, start a return by emailing us so we can give you instructions and a reference number — see our Refund & Returns Policy.
Help with an existing order
Have your order number ready (it is in your confirmation email) and include it in your message. For questions about delivery, see our Shipping page; for returns and refunds, see our Refund & Returns Policy. Many common questions are answered on our FAQ page.
Wholesale and press
Interested in carrying Hydro Online products, or writing about us? Email support@hydroonline.store with “Wholesale” or “Press” in the subject line and we will route your note to the right person.