Changing the Game for Cannabis Waste

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About Us

The Liquid Cannabis Digester (LCD) was borne from the idea of coming full circle in the growth cycle, from seed back to earth. Cannabis is a “green” industry and yet the waste generated is anything but. The LCD is here to change that. Our digesters were developed for food waste over a decade ago, and have been instrumental in the food service industry. With the explosion of the legal cannabis industry we saw the need to address the waste problems that would inevitably be created, and in 2018 set our R&D team in Silicon Valley to the task of converting our LFC to the digestion of Cannabis waste. The results have been exceptional.
We were guided by long established growers with over 30 years of experience in the industry to fully understand all the waste issues and allow us a better awareness of the Cannabis industry and plant overall.


Changing Waste Forever

Innovating For the Future

Our cutting-edge Liquid Food Composter (LFC) has been used for close to a decade to eradicate food waste. Our natural desire to evolve, coupled with the explosion of the cannabis industry, led to the creation of the Liquid Cannabis Digester (LCD) and the results have been extraordinary. It has been a real adventure to modify, test and implement the LCD. We regularly hear the phrase "this is a game-changer for the industry" and it couldn't be more accurate.


LCD Benefits



The LCD can be installed, commissioned and your staff fully trained in most cases in one day.


We offer 24/7 support through our cloud software which monitors almost every aspect of the LCD.  Temperatures, amp readings, warnings, and the overall weight of the machine can be viewed from your desktop or mobile phone. Automated alerts can be sent to either your phone, or email should there be any issues with the LCD, or if you just simply want to log on to see how much waste has been digested that day.



The LCD is designed to be as maintenance free as possible. Basic maintenance could not be easier and is very minimal. Yearly check-ups are recommended and we have a vast network of service staff worldwide to support the LCD.


Leasing and rental options are available. Please inquire with our team for details.





Digests 23kg (50 lbs) of cannabis waste per day.


Digests 32kg (70 lbs) of cannabis waste per day.


Digests 45kg (100 lbs) of cannabis waste per day.


Digests 90kg (200 lbs) of cannabis waste per day.

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Digests 137kg (300 lbs) of cannabis waste per day.


Digests 230kg (500 lbs) of cannabis waste per day.


Digests 450kg (1000 lbs) of cannabis waste per day.


Meet our Partners


The Zero Waste Countdown Podcast

Power Knot Canada & LCD

This is a great podcast to get a better understanding of what these machines can do. The discussion of the LCD takes place at 20:45.


Power Knot Canada

Closing the Loop on the Entire Food Cycle.

Dedicated to helping communities, businesses, and governments reduce their carbon footprint, and protect our fragile natural environment.


Power Knot

A Global Organic Waste Solution Company

Power Knot’s mission is to provide safe and economically sound solutions for commercial, industrial, and military customers seeking to improve and to make a positive impact on their environment.


Contact Us

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Image by Matthew Brodeur