ReduFlex Blue

A removable coating that changes the light spectrum in the greenhouse, transmitting relatively more red light and less blue light while also reflecting infrared heat. This can increase stem length in sensitive crops such as cut roses, while lowering greenhouse and plant temperatures.

Suitable for glass, acrylate, polycarbonate and plastic film greenhouses, and highly wear-resistant, with the dose adjustable to match your crop and climate.

Shifts Light Spectrum

Infrared Heat Protection

Increases Stem Length

Highly Wear-Resistant

All Greenhouse Coverings

Longer Stems, Cooler Greenhouse

Shading reduces heat stress in the greenhouse during periods of intense sun, helping crops maintain steady growth and fruit quality through the summer months. Because the coating covers the whole solar spectrum, it protects both light-preferring and shade-preferring crops, with the level of shading adjustable to match your climate.

The coating stays effective for the full season and does not need to be reapplied partway through. When layered with another ReduSystems coating, ReduFlex Blue should always be applied first, as the layer underneath.

Diagram showing how ReduFlex Blue shifts the light spectrum and reflects heat

Drone spraying a coating over a greenhouse roof

Flexible application

Applied by drone, machine, helicopter or by hand, so growers can use the equipment they already have.

Worker on a greenhouse roof applying a coating with a machine

All greenhouse types

Suitable for glass, acrylate, polycarbonate and plastic film greenhouses, and effective across a wide range of crops depending on climate.

Apply only under fast-drying conditions, between 10°C and 25°C, with relative humidity below 80% and wind speed under 2 m/s. Mix with clean water in the tank and apply evenly across a clean, dry surface, preferably by machine.

Do not apply if rain is expected within 24 hours, and do not combine with non-ReduSystems shading products.

Each 15kg bucket of ReduFlex Blue is mixed with water before spraying. Growers typically use between 16 and 24 buckets per hectare (6 to 10 buckets per acre), depending on the light-ratio shift needed for their crop, climate and greenhouse type, with machine application typically needing slightly fewer buckets than manual.

The amount of water used depends on how you apply it: about 1,000 to 1,500 litres per hectare (107 to 160 US gallons per acre) by machine, or 1,700 to 2,000 litres per hectare (182 to 214 US gallons per acre) by hand. For guidance on the right dose for your specific situation, reach out to a ReduSystems specialist.

Removed with ReduClean, diluted at 250 litres per hectare (26 US gal per acre) at a ratio of 1:5 to 1:7, applied when a considerable amount of rain is expected within a week so the rain washes the coating off. Roof-sprinklers used for cooling can cause removal problems.

ReduClean

Removes ReduFlex Blue at the end of the season, so the greenhouse is ready for the next one.

SprayChalk

Adds temporary extra shading on top during short, extreme heat peaks, without disturbing the coating underneath.

Why ReduSystems

The Right Solution for Every Season

Light is the most variable factor in greenhouse growing, yet many growers do not yet use it fully throughout the year. We help growers protect, improve and adjust crop performance in every season, with a solution matched to each stage of the growing cycle.

With decades of experience in light spectra, PAR and photosynthesis, we adapt every solution to the grower's crop, greenhouse and location. Our advice is based on science and real-world results, not guesswork.

Frequently asked questions

Glass, acrylate, polycarbonate and plastic film.

With ReduClean, diluted at 250 litres per hectare (26 US gal per acre) at a ratio of 1:5 to 1:7, applied when a considerable amount of rain is expected within a week so the rain washes the coating off.

Yes. It can be applied by drone, machine, helicopter or by hand. Application methods and dilution rates can vary, so reach out to our team for specific instructions and support.

This depends on the concentration applied and the weather. A higher concentration is more wear resistant, while above-average rainfall can wear the coating faster. It can be removed at any time with ReduClean.

Yes. ReduFlex Blue should always be applied first, as the base layer, with SprayChalk added on top for short heat peaks if needed. We advise against layering ReduFlex Blue with non-ReduSystems products, since different cleaning methods can cause problems when it's time to remove the coatings.

Both are photo-selective coatings that change the light spectrum rather than simply reducing it. ReduFlex Blue increases the ratio of red light to blue light and reflects heat, which can increase stem length in sensitive crops like roses. ReduCompact increases the ratio of blue light to red light instead, which encourages more compact plant growth.

Contact us

Talk to a ReduSystems Specialist

Every greenhouse faces different light and climate challenges, depending on the season, crop and greenhouse type. Choosing the right strategy can be difficult with so many factors to consider. Our specialists offer tailored advice based on your specific situation, helping you find the right solution for your crop, greenhouse and climate, all year round. Get in touch to discuss what works best for you.

Get in touch with us

Colleagues talking at a table in a bright office

Our brands

ReduFlex Blue

Longer Stems, Cooler Greenhouse

Heat Reduction

Adjustable Shading

Decades of R&D

Works Well With ReduFlex Blue