Roto-Gro International Limited secures purchase order

By Justin Ware. Published at Mar 29, 2019, in Technology

Roto-Gro International’s (ASX:RGI) wholly-owned subsidiary, Global Fertigation Solutions Inc. (GFS), has secured a purchase order from TGIG LLC (trading as The Grove) for approximately A$220,000.

Global Fertigation Solutions provides an automated, precise, real-time batching and dosing of bespoke nutrient recipes for delivery in agricultural applications throughout their life span.

The intuitive fertigation system removes salts, heavy minerals and contaminants from municipal water, creating an equalised and homogeneous base to which client-specific nutrient recipes are added.

The system is designed to batch nutrient blends depending on the stage of the crop’s lifecycle and its feeding requirements. Batch blending is done during the ‘lights-off’ phase of the crop’s lifecycle.

This blend is then sent to standby reservoirs in each of the grow rooms, which ensures that all crops are fed in the first hour of the ‘lights-on’ cycle. Nutrients returned to the standby reservoirs after feeding are delivered to the batch tank for analysis and top-up of additional water and nutrients to meet the next feed cycle (before returning to the standby reservoirs).

The fertigation system is fully automated and works on a closed-loop basis (recovery, recycle and recirculate). GFS’s software has been developed to facilitate remote access, operation and troubleshooting the fertigation system.

RGI managing director Michael Carli spoke on the purchase order, “The Grove purchase order is the result of the remarkable efforts of our team at GFS. The sales lead for this order emanated from our booth at the recent MJ Biz Conference in Nevada in November of 2018.

“The success of the MJ Biz Conference and our register of sales leads places GFS in an excellent position for a productive and profitable year ahead,” he said.


The Grove holds a lawful cannabis license, operating in Las Vegas, Nevada.

The purchase order involves a retro-fit and upgrade to its current operations, as it expands its cultivation facility to a second phase. The solution to be delivered by GFS will be incorporated into The Grove’s existing water treatment infrastructure, integrating a new fertigation system into custom table layouts and drains.

The GFS system will service both The Grove’s existing operations and its Phase Two expansion.

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