Order Processing

 As soon as you place the order, an order confirmation will be emailed to you. This means we have received your order and payment. As soon as we receive your order, we automatically reach out to our warehouse to confirm the product is in stock and is available for immediate shipment. In rare cases, if the product is on backorder or unavailable, we will contact you immediately and ask if you would like to wait for the product to become available or have your payment refunded.

If the item is available for immediate shipment (1-3 business days) we will submit the order for processing and arrange shipment. If the item title shows preorder for your country, your order is preordered. Preorder will ship out in 2 weeks after you placed the order.

 Mars Hydro reserves the right to notify you of any additional shipping charges necessary to deliver your order. you’d be notified of any additional charges necessary to deliver your order. Extra shipping charges will be decided by the carrier and the products you want to purchase. We will also notify the exact shipping cost in the mail.

You will have the right to modify or cancel your order for a full refund after being notified.


Order Tracking

The tracking number for the order will be sent to the email address provided 36 business hours after the Order Processing. And you can check the updated status when login into your account. Also, we will email you later to follow up on the delivery time and remind you to pick up the package in time if any unexpected situation happens. So plz make sure your mailbox and phone are available and care about your order within 7 days. So you will not miss any news about the package.

If you did not receive a tracking number by email or need to confirm the tracking information, please contact us at [email protected] will reply to you in 12 business hours. If your tracking number does not work in 3 working days after you get it, pls email us. Occasionally there may be a mix-up in the warehouse and you may have received an incorrect tracking number. we will send you the available one. Sometimes special circumstances will delay logistics updates. we will check and feedback to you.



Change order

If you have to change your order after you completed the payment, please contact us for the first time when you realize that. we will reply to you ASAP and try our best to correct it. Please understand that if the item has shipped from the warehouse, the change maybe will not succeed, or there are time and cost increases. 


Anything about the shipping policy plz contact  [email protected]


Shipping cost and Time

United States: Shipping fee calculated on check out page(0-120USD);  shipping time 3-5 business days

Canada: Shipping fee calculated on check out page(0-200USD);  shipping time 3-8 business days

Australia: Shipping fee calculated on check out page(0-24USD);  shipping time 4-8 business days

UK: Shipping fee calculated on check out page(0-240USD);  shipping time 3-8 business days

EU: Shipping fee calculated on check out page(0-310USD);  shipping time 3-10 business days

Russia: Shipping fee calculated on check out page(0-4USD);  shipping time 5-10 business days

Japan: Shipping fee calculated on check out page(0-120USD);  shipping time 3-10 business days

Thailand: Shipping fee calculated on check out page(0-24USD);  shipping time 3-10 business days




MarsHydro owns nine warehouses including China, America, Australia, Canada, the EU, the United Kingdom, Thailand, Japan, and Russia. you will need to choose the corresponding store to place your order. choose it from the top right corner of the website home page.


China Warehouse(Factory)

Support orders for the following countries and regions:

Except for the USA, UK, EU, Canada, Australia, Thailand, Japan, and Russia,(where we have warehouses). The other countries' orders will be shipped from China. Such as Indonesia, Macau, Malaysia, Philippines, Singapore, South Korea, Chile, Cambodia, Israel, Iran, Vietnam, and New Zealand...There will be extra shipping and import tax fee(taken by your country’s customs)

All shipments can be made within 3 business days after customers’ confirmation.

There will be import tax which customers need to pay.


America Warehouse

Support all orders in the United States Mainland. Shipments come via UPS or USPS carriers. No import tax.

For Puerto Rico, Hawaii, and Alaska, shipment will be from the China warehouse, and an extra shipping cost will be needed. we will send you an extra shipping quote by email within 24 working hours after you placed the order. shipments come via UPS or FEDEX carriers. There will be import tax which customers need to pay.


Australia Warehouse

Support orders for Australia. All shipments come via Aupost or Toll carriers. No import tax.


Canada Warehouse

Support orders from Canada. all shipments come via Canadapost, Toll, or UPS carriers typically. No import tax.


EU Warehouse

Support orders for 24 European countries: 21 countries of them. (including Germany, Belgium, Luxembourg, Slovakia, Czech, Hungary, Austria, Netherlands, Denmark, France, Ireland, Italy, Poland, Slovenia, Spain, Finland, Latvia, Lithuania, Sweden, Bulgaria, Estonia, Portugal, Romania, Greece, Cyprus, Croatia, Malta, ) No import tax.

ICELAND, ANDORRA, LIECHTENSTEIN, MACEDONIA, NORWAY, SWITZERLAND, UKRAINE, VATICAN CITY, and SAN MARINO, have different shipping ways. They can be shipped from China with an extra shipping fee. We will notify you within 24 working hours. Or they can be shipped from the EU warehouse but the customer needs to clear the customs yourselves. We will also notify this within 24 working hours. Customers can choose the ways they like. There will be import tax which customers need to pay.

All shipments come from DHL or GLS carriers from the German warehouse(Ireland will ship from the UK warehouse). When the item is out of stock in the German warehouse and it is available in the UK warehouse, it can be shipped from the UK warehouse and a little extra shipping will be needed.


United Kingdom Warehouse

All shipments come via DHL, YODEL, Royal Mail, or DPD typically.  No import tax.


Russia Warehouse

All shipments from the Russian warehouse are for Russian buyers. No import tax.

All shipments come via IML typically.


Japan Warehouse

All shipments from the Japan warehouse are for Japanese buyers. No import tax.

Orders for Hokkaido (北海道) and Okinawa Island (沖縄島) will deal with extra shipping costs.

All shipments come via Sagawa (佐川急便) typically.


Thailand Warehouse

All shipments from the Thailand warehouse are for Thai buyers. No import tax.

All shipments come via Flash Express typically.


Your Order Shows Delivered But You Don’t Have It

If your tracking number shows delivered on the shipping company’s website but you don’t have it, please do the following:

• Check the area around your home for the package and ask anyone it may have been left with.

• If the package is not found please call the shipping company directly to report a missing package. so you can get the logistics information fastest.

• Pls email us about it at the same time. ( [email protected])

Mars Hydro can not be held responsible for packages stolen from the delivery address so please be sure to ship to a secure location! If the items are lost, we need at least 30 days to investigate. so after we provide the tracking number, hope you can follow the dynamics of the logistics of the items, continue to view our mail about the notification, so you will receive the items successfully.




There are rare and unforeseen events out of our control that may affect shipping times. Severe weather conditions, catastrophic events, or failures by our delivery partners can cause unexpected delays. Most carriers will not ship to PO Boxes. If you enter a PO Box for your shipping address, we may have to contact you for an alternate delivery address. Please note that if you are placing an international order may still have taxes or duties, which you are responsible for.