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Byron Bay Gold Flower A/B is a 2-part hydroponic nutrient set that can be used in all hydroponic systems, coco coir and soil grow pots.

A powerful flowering nutrient solely used in the blooming stage of a plant's life cycle.

At A-Grade Hydroponics we test every nutrient - from start to finish - before it hits the shelves.

Why do we take the time to do this? If, after 3-months of testing we are happy with the end result, we know our customers will be. It's that simple.  

From our Head Plant-Nerd, Jason:

"Byron Bay Gold is one of the very few nutrient ranges that backs its own claims. It is very easy to use and the results are outstanding. I was very happy with the outcome using this product and it stacks up against some of the biggest names in the industry. Don’t sleep on it! Byron Bay Gold - it's truly awesome."

The flowering A/B nutrient is the perfect plant food to transition from the veg phase to the flowering stage and contains all of the required elements to speed up floral initiation and increase the quantity of bud sites.

Providing your plants with the right type of nutrients early in flower is key to setting up a large and bountiful harvest.

For use during weeks 1-4 of the flowering phase only.

Direction: Recommended dosage 4-5 ml per L

See the Byron Bay Gold Feed Charts by clicking here.


*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.