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Order Processing

Once you have placed your order, a confirmation will be emailed to you, indicating we've received your order and payment. We will then contact our warehouse to confirm product availability. Should an item be backordered or unavailable, we will contact you to find a resolution.

For products ready for immediate shipment (within 1-3 business days), your order will be processed and dispatched. Mars Hydro may notify you if additional shipping charges apply based on the carrier's rates and your chosen products.

You can modify or cancel your order and receive a full refund after being informed of any additional charges.

Order Tracking

A tracking number will be sent to your email within 36 business hours post order processing. Please keep an eye on your email and tracking updates related to your package.

Modifying Orders

To modify an order post-payment, contact us as soon as possible. Please note that changes to your order may not be possible if the item has already been dispatched, and adjustments might result in time and cost variations.

Shipping Cost and Time in the United States

United States: Complimentary shipping for orders exceeding $49. Exact shipping fees are displayed at checkout, with a delivery timeframe of 3-5 business days.

American Warehouse

Our American Warehouse caters to all orders within the mainland United States. Shipments are facilitated via Fedex, UPS, or USPS. No import taxes are applied to orders shipped within the mainland United States.

Specific Sites for Certain Countries

Customers from Australia, Canada, the European Union, the United Kingdom, Thailand, Japan, and Russia should place orders on the dedicated websites. We( only accept orders from the contiguous United States. Orders from other countries/regions will require additional payment for product price differences and shipping costs. If you inadvertently place an order with a shipping address outside the contiguous United States on this website, we will inform you via email.

If Your Package is Marked as Delivered But Not Received

  • Survey your home's vicinity for the package and inquire with neighbors.
  • Report a missing package to the shipping company for swift logistics information.
  • Be sure to notify us via email at [email protected].

Please Note

Mars Hydro isn't accountable for stolen packages from the delivery address. Ensure you select a secure delivery location. If items go missing, a minimum of 30 days is required for an investigation.

Contact Information

For queries related to our shipping policy, email [email protected].


Occasional and unpredictable events might cause shipping delays, such as severe weather, major incidents, or delivery partner setbacks.