PureCrop1 — OMRI Listed Plant-Based Insecticide, Fungicide & Biostimulant
PC1-PEST-PC1-100
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Pairs well with
PureCrop1 is the original OMRI Listed plant-based foliar spray developed by Ray Drysdale and manufactured by Disco Bay Inc. It's a biostimulant first — strengthening plant immunity, improving nutrient uptake, and supporting healthy plant function from seedling through harvest. The same colloidal nano-tech chemistry that makes it work as a biostimulant also disrupts sap-sucking pests and surface mould pressures, so one bottle handles plant health and integrated pest management together. Tests clean to parts-per-billion. No residue. Zero withholding. Spray right up to harvest day.
The Story Behind PureCrop1
PureCrop1 started in 2008 when Ray Drysdale began asking whether the toxic chemistry in modern food production was part of the broader picture of human disease. He tracked down two scientists who'd spent two decades working on a colloidal micelle technology originally developed for cancer therapy research, and posed the question: could the same molecular approach be rearranged to support healthy plants instead? The work took nearly a decade. By 2017 the first PureCrop1 formulation was ready for commercial release. Today, 17 years on, the product is used by commercial operations from Driscoll's berry farms to organic vineyards, and trusted by growers who want a clean tool for plant health and IPM in one bottle. This listing is for the original Ray Drysdale formula manufactured by Disco Bay Inc. — the same bottle commercial growers have used since day one.
Specifications
- Use 25°C (lukewarm) water in a clean spray bottle. Fill with water first, then add PureCrop1 — never in reverse.
- The longer the spray stays wet on the leaf, the better it works. Apply early morning or evening when temperatures are lower and humidity is higher.
- Spray entire plant including leaf undersides for full coverage and absorption.
- Rainfast within 2 hours — apply at least 2 hours before any rainfall or overhead irrigation.
- Apply as a standalone foliar spray. Do not tank-mix with nutrients, pH adjusters, or other inputs — this can reduce efficacy and cause precipitation.
How to Apply
Pairs Well With
Build a smart IPM rotation. PureCrop1 sits naturally alongside sticky traps, beneficial mites, and cultural controls for layered protection.
Environmental MonitorsTrack temperature and humidity. Most plant-health issues start as environmental drift — a monitor catches the problem before the leaves do.
Clip Fans & Air CirculationAirflow is the single best prevention tool for surface mould and bud rot. Strong canopy circulation keeps leaves dry enough that spores can't establish.
Frequently Asked Questions
Is PureCrop1 certified organic?
Yes, it carries OMRI Listed status — the US Organic Materials Review Institute review that's recognised by USDA NOP and used by organic farms across North America. In Australia, OMRI Listed status doesn't automatically translate to ACO or NASAA certification (they're separate bodies), but OMRI is the most rigorous independent review of organic-compatible inputs globally. The ingredients themselves are food-grade corn and soybean oil derivatives.
Is this the original PureCrop1 or a rebranded version?
This is the original formula manufactured by Disco Bay Inc. — the product that has carried the PureCrop1 name since commercial release in 2017. To confirm you're buying the original anywhere you shop, check the bottle for two markers: the OMRI Listed seal, and "Disco Bay Inc." as the manufacturer on the label. If you've used PureCrop1 before and trusted the results, this is the same bottle you remember.
What does PureCrop1 actually do for the plant?
It's primarily a biostimulant that supports plant immunity and improves nutrient uptake. The colloidal micelle structure acts as a natural surfactant, helping foliar applications spread and absorb more efficiently, and increases sugar conductivity in the plant. The same chemistry also disrupts sap-sucking pests (mites, thrips, aphids, whitefly) and surface mould pressures like powdery mildew — so the same weekly application supports plant health and reduces pest and disease pressure together.
Is PureCrop1 safe for beneficial insects?
Yes, in practice. The micelle formula targets specific bacteria in the gut of sap-sucking pests. Beneficial insects have different gut bacteria and aren't affected the same way. That said, avoid spraying directly onto released predators or active pollinators — any wet foliar application can disrupt them physically even if the chemistry doesn't.
Can PureCrop1 be used during all growth stages?
Yes, from seedling through to the day of harvest. It has zero withholding period, no phytotoxicity issues, and doesn't affect colour or flavour. Many growers run it as a weekly tonic through flowering to keep the plant strong without worrying about residue at harvest.
Does PureCrop1 require protective gear during application?
No PPE is strictly required — PureCrop1 has a zero OSHA rating. That said, eye protection is sensible because the formula is slightly alkaline at pH 10.4 and can irritate if sprayed directly into eyes. Gloves are also a good idea for comfort on longer application sessions.
Does PureCrop1 affect flavour or colour at harvest?
No. PureCrop1 biodegrades fully, tests clean at parts-per-billion, and leaves no residue on harvested product. Growers use it as a final-stretch spray in the days before cutting specifically because it doesn't carry through to the final product.
Which size should I buy?
Depends on scale and cadence. 100mL suits a single tent with 2 to 4 plants running weekly maintenance. 250mL covers a larger tent or a full curative cycle if you're dealing with active pressure. 500mL to 1L fits multi-tent setups or ongoing commercial preventative programs. 4L is bulk for larger commercial operations or serious long-term cost efficiency — and at $569.95 it clears the free shipping threshold on its own.
Can I mix PureCrop1 with nutrients or other sprays?
No, apply PureCrop1 as a standalone foliar spray in clean water. Tank-mixing with nutrients, pH adjusters, or other inputs can reduce efficacy and cause precipitation. Keep your watering and feeding schedule separate, and apply PureCrop1 on its own cadence.
How does the micelle technology actually work?
The active ingredients are corn and soybean oils, but PureCrop1 isn't an oil spray in the traditional sense — it's a rearrangement of those oils into colloidal micelles measuring 1 to 4 nanometres. As a biostimulant, the micelles act as a natural surfactant and nutrient carrier, breaking surface tension and improving uptake. Against sap-sucking pests, the micelles are attracted to specific gut bacteria and disrupt them at the cellular level. Against surface mould and mildew, the micelles disrupt the spore structure, which then washes off the plant as a biodegradable soap.
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A healthier plant. Tested clean. Spray to harvest.
Ray Drysdale's original OMRI Listed colloidal nano-tech formula. Plant immunity, surfactant, and IPM in a single bottle. Available in 100mL through 4L. Free shipping over $499*.