Better Reds is scientifically engineered to reflect a spectrum of health-promoting light rays on the undersides of plants, increasing tomato plant yield by up to 20%. Developed through years of research in top agricultural institutions, this product is designed for yielding better harvests and maximizing the quality and size of tomatoes, vegetables and fruits that grow above ground. Better Reds also helps improve yield at the end of the season by keeping the soil warm on cooler nights.