Protect your crops from excessive light with Q4 White

Q4 White is the best shading agent for maximum weather resistance.

Benefits of Q4 White:

• Strongest Shading Agent: Provides the highest level of protection against sunlight and heat, essential for optimal crop growth.
• Adjustable Shading Percentage: Easily modify the protection level by adjusting the dilution.
• Maximum Durability: Extremely durable and resistant to wear, ensuring long-lasting effectiveness and cost savings.
• Minimal Ridge Wear: Provides excellent and long-lasting coverage of greenhouse ridges, a critical aspect of a successful shading strategy.
• Environmentally Friendly: Contains no harmful substances and complies with Dutch discharge regulations.
• Easy to Remove: Can be easily removed with Removit after spraying or rinsing.

Adjustable and cost-effective shading agent

Q4 White is designed for maximum weather resistance and is suitable for use on glass, plastic film, polycarbonate, and acrylic surfaces. Even at lower shading percentages, Q4 White does not cause excessive ridge wear and is highly durable. Q4 White is the best maximum weather-resistant shading agent.

Customer experience

Customer feedback indicates that ridge wear is minimal with Q4 White. This is crucial for maintaining good shading from early morning to late evening, as ridges are most exposed to sunlight, rain, hail, and wind. Many growers find the minimal ridge wear to be a significant advantage of Q4 White.

Environmental impact and storage

Q4 White contains no environmentally harmful components and complies with Dutch discharge regulations. It is important to store Q4 White in a frost-free environment.

Easy removal

Q4 White can be easily removed from the greenhouse roof at any time with Removit. By spraying the correct dosage of Removit, the roof will be clean after a few rain showers. If there is a prolonged period without rain, a repeat treatment may be necessary. You can also choose to rinse Q4 White off immediately after spraying with water.

Minimal ridge wear

Years of use have shown that Q4 White exhibits minimal wear on greenhouse ridges. It is important to protect the ridges well and for a long time as part of a successful shading strategy. Ridges receive the most sunlight throughout the day and are most exposed to wind, rain, hail, and UV radiation. Q4 White adheres better to the ridges than other shading agents, making it ideal for long-lasting and light (less than 65%) protection, even under harsh conditions.

Shading percentage

With Q4 White, it’s easy to choose the optimal shading percentage for your crops. By diluting the agent, you can precisely achieve the desired shading level. Refer to the table for the shading percentage relative to the number of buckets of Q4 White per hectare.

Q4 White dosage

Lifespan is measured in average European weather conditions. Extreme weather conditions may slightly affect the values specified.

Application instructions for Q4 White

Use sufficient spray liquid to evenly distribute Q4 White. The amount of spray liquid required depends on the application method. The recommended amount of spray liquid is 1,200 to 1,400 liters per hectare for mechanical application and 1,500 to 1,700 liters per hectare for manual application. It is recommended to stir the solution continuously or regularly during application. Apply Q4 White in drying weather on a dry and clean surface.

Q4 White can be quickly, easily, and responsibly removed after the season with Removit.

Important notes:

• Do not use Q4 White in combination with other shading agents.
• Avoid getting the product into the basin during application and removal.

More information

• What is a shading agent?
• What is the difference between Q3 and Q4 white