Product Quality & Sourcing

Serious Results, Made Seriously Affordable.

From raw material sourcing to final shipment, Rx Green Technologies holds every one of its cultivation products to a quality standard most suppliers never attempt. Here’s how, and why it matters for your grow.

Why Input Quality Gets Overlooked

The Inputs You Choose Can Make or Break Your Harvest

Cannabis is an elite bioaccumulator. It pulls whatever sits in the root zone up into the plant, heavy metals included, and contamination in a substrate or fertilizer shows no visible symptoms. Everything looks fine until compliance testing at harvest, when it is far too late to change your inputs.

A failed heavy metals test means flower that cannot be sold at retail. It gets diverted to extraction at a fraction of the planned margin, or destroyed outright. Then the costs cascade: retesting fees, remediation logistics, regulatory scrutiny, and strained relationships with the dispensary buyers you worked hard to earn.

Most suppliers say “tested” or “clean,” but rigor varies enormously. Some test a single sample. Others rely entirely on overseas COAs with no verification on US soil. And the risk runs across every category, substrates and fertilizers alike.

Lost Revenue

Unsellable flower, extraction-grade margins, and destroyed batches turn a single failed test into five and six-figure losses.

Regulatory Scrutiny

Failed compliance tests invite retesting, remediation paperwork, and closer attention from state regulators.

Reputation Damage

One bad batch can cost you the dispensary relationships and buyer trust that took years to build.

If we can’t verify it’s clean at every stage, we don’t ship it.

That’s not a tagline. It’s how we operate, batch after batch, product after product. As former operators, we know the true cost of dealing with inconsistent substrates and fertilizers. That’s why every Rx Green cultivation product has to pass multiple internal and external quality checkpoints before it is ever loaded onto a pallet bound for your grow. Everything we sell is third-party lab tested, with Certificates of Analysis available on request. Our direct-to-cultivator model means no middlemen diluting quality control. We own the process from sourcing through delivery.

The 5-Point Testing Protocol

Clean Coco, Tested Five Times Before It Reaches Your Garden

Every batch of Rx Green coco coir is tested by third-party lab partners at five separate stages, from the moment raw material hits our dock to the finished, bagged product waiting to ship.

Laboratory researcher's gloved hand holding a spoonful of Rx Green cannabis coco substrate for testing
1

Raw Material Arrival

Testing begins the moment raw coco arrives at the facility, straight off the pallets.

2

Production Line Entry

A second round of testing as material enters the production line.

3

Midpoint Blending

A third test when perlite is blended into applicable batches.

4

Pre-Bagging

Tested again before the coco reaches the auto-bagger.

5

Finished Product

A final test on the packaged product before it is cleared for shipment.

Every Test CoverspHECMineral ContentHeavy Metals (Pb, As, Cd, Hg)Pesticide ResidueMicrobials

Selective Sourcing

OMRI-Listed® coco for organic production. Every lot of raw material is thoroughly vetted before it is ever allowed into the Rx Green production facility.

Storage & Shipping Standards

Raw coco and finished goods are stored indoors, never exposed to the elements, and shipped in covered trucks and containers. Protection from environmental toxins and pests runs the length of the chain.

The Reject Standard

If a batch doesn’t meet our standards at any one of these checkpoints, it doesn’t leave our warehouse. No exceptions.

Dry Fertilizer Quality

Fully Tested, Cannabis-Specific Ingredients

A grower empties Rx Green Technologies Part B dry fertilizer into a mixing container

Ingredient Sourcing

Proprietary formulations blended with carefully selected macro and micronutrients.
Raw ingredients sourced for purity, keeping heavy metal levels in finished flower extremely low.
Formulated specifically for cannabis, not repurposed general agriculture products.

Third-Party Lab Testing

Every batch tested by third-party labs before shipment.
Testing covers guaranteed-analysis nutrient accuracy, heavy metals, and contaminant screening.
COAs available on request for every product lot.

Formulation Integrity

Manufactured at vertically integrated facilities where Rx Green controls the blending process.
Consistent batch-to-batch quality, so your feed charts hold cycle after cycle across every cultivar.
No filler ingredients, no mystery additives, no surprises.

Consistency is everything when you’re running 40-plus strains, and Rx Green delivers that every time.

Tyler Carr  ·  GM, Høst Cannabis  ·  Denver

Trust, Documented

Full Transparency. Always.

Certificates of Analysis

Third-party COAs for every product lot, available on request.

View COAs →

Safety Data Sheets

SDS documentation for every product we make.

On Product Pages →

Research Studies

Published trial results on real product performance.

See Trials →

Feed Charts

Precise application guidance for every growth stage.

Get Feed Charts →

Ready to Grow With Inputs You Can Trust?

Talk to our cultivation team about pricing, free product trials, or any question about our quality standards. We’re here to help your operation succeed.