• 888-815-9763 Sales & Support Mon - Fri, 8am - 5pm PST. Instagram Facebook Twitter Google + Youtube


Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Complete Nutrient Packages

From beginner packages to advanced!

March Nutrients

Fabric Pot Blowout Sale

Gro Pro Fabric Pots on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!

We're here to help!

We love hearing from you! Please feel free to contact one of our friendly Customer Service specialists!

Do you have questions about your project? Need advice on which products to use? Have a question about Hydrobuilder.com? We'd love to hear from you! Feel free to call us during our normal business hours, or send us an email at [email protected] We respond to all customer inquires in the order in which they are received. Most within one business day!

You can also log into your account if you need help with the following:

  • Get Shipping / Order Status
  • Complete History of Purchased Product(s)
Our call center will be closed on the following days during the holiday season:

  • November 23 at 11:00am PST
  • November 24, 2016
  • November 25, 2016
  • December 23, 2016
  • December 26, 2016
  • January 2, 2017

  • Contact Us

    Toll Free Sales & Support


    Monday through Friday
    8:00 am to 5:00 pm PST

    Send any snail mail to:

    312 Otterson Dr STE D
    Chico, CA 95928

    Hydrobuilder General Request Form

    • If you don't know your order number please type "I don't know"