Easy to apply protection from summer sun Apply to external glass surfaces with a sprayer or paint brush Stays on in wind and rain Wipes off with a duster, or use Summer Cloud Greenhouse Cleaner Suitable for use on glass, acrylic or polycarbonate surfaces Protect your greenhouse plants from harsh direct sunlight and over-exposure to the summer sun. Summer Cloud Greenhouse Shading allows you to control the level of light entering your greenhouse. Application instructions: mix 250 ml of Summer Cloud Greenhouse Shading with 2 litres of water (a ratio of 1:8). Using a sprayer or paint bush, apply to a dry surface from the highest point of the greenhouse downwards. The 250ml bottle should be sufficient to protect a standard 8x6ft greenhouse. Do not apply if rain is forecast within 24 hours of application. To remove, use a duster and a small amount of soapy water.