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HOMEbox Ambient R300+ Large Grow Room

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HOMEbox Ambient R300+ Large Grow Room - A-Grade Hydroponics HOMEbox Ambient R300+ Large Grow Room - A-Grade Hydroponics HOMEbox Ambient R300+ Large Grow Room - A-Grade Hydroponics HOMEbox Ambient R300+ HOMEbox Ambient R300+ HOMEbox Ambient R300+ Large Grow Room - A-Grade Hydroponics HOMEbox Ambient R300+ Large Grow Room - A-Grade Hydroponics



This HOMEBox grow tent is an ideal space to grow 6-8 big plants in. Most growers would opt for a run-to-waste system in this grow room like the Run-Off Tray system pictured below, if you want to setup your grow room like this speak to us and we can instruct you how to do this we have growing packages in store you can see on display with all the correct hydroponic equipment inside.


  • Assembled grow room size: 300 x 150 x 220 cm
  • Grow tent space: 4.5m²
  • Ducting port:
    • 6 x 100 mm (4") 
    • 4 x 250 mm (10") 
    • 4 x 350 mm (14")

Sleek and streamlined, the R300+ grow room is a great hydroponic grow space if yield is important.


  • Total blackout zippers provide a light proof seal without the need for covers and velcro fasteners.
  • Windows for easy access on both left and right sides of grow room
  • 22mm powder-coated tent poles with reinforced connectors and hooks will suspend heavy lights and ventilation systems (max 150kgs)
  • Each of the ducting ports have a drawstring function can be closed when not in use.
  • 700-micron mesh bug-screens
  • Removable water-resistant tent liner = extra protection and easy cleaning

HOMEbox grow rooms and A-Grade Hydro are committed to bringing you the very best hydroponic equipment with as little fuss as possible. All HOMEbox Ambient grow tents come with two-year manufacturing guarantee.



*All orders are dispatched in unmarked boxes to maintain your privacy.*


Orders are shipped via Australia Post or Big Post. Orders are generally dispatched on Tuesday, Wednesday and Friday. Please allow for additional delivery time for remote areas. If you require express delivery, please contact our sales representatives at 03 9555 6667 or email to obtain a quote. 

Couriers will attempt delivery to the specified address. If no one is home to receive the delivery, the couriers will leave your parcel somewhere safe. If there is no safe place, re-delivery or collection will be organised.

We reserve the right to charge for any redeliveries if they occur. You are welcome to call us if special arrangements need to be made.  

Due to the increasing frequency of online fraud and theft, we are unable to ship to P.O. Boxes and Parcel Lockers.


All freight charges are calculated on weight, dimensions and location. We are committed to keeping shipping charges at a minimum and do not charge handling fees.

Please note: Freight costs are subject to change. Regional areas, large and bulky orders, and tail-lift delivery occasionally incur an additional levy. Should these costs need to be amended it will be to reflect the actual charges, and not incur additional ‘shipping and handling’ fees.

We will notify you if this rare situation occurs.



All payments must be cleared before dispatch. Payments can be made online via PayPal, AfterPay or Electronic Funds Transfer. Payments can also be accepted via credit card by phoning 03 9555 6667.

Please allow at least 24 hours for payments to clear.


You will be notified immediately if an item is permanently unavailable, with options for a replacement item at equal or higher value, refund or store credit.

All refunds will clear within 3-5 business days. Store Credits will be issued as an electronic Gift Card to be used online or in-store.


We comply with all necessary restrictions and guidelines when shipping any products classified under the Dangerous & Prohibited Goods & Packaging Post Guide.

If, for any reason in compliance with these guidelines, we are unable to fulfil an order a refund will be issued immediately.