Hydro Mousse is the revolutionary liquid lawn that takes the time, hassle and guesswork out of seeding. Simply attach it to any garden hose, turn the dial and spray. It contains a sticking solution that attaches seed to the soil so grass grows like crazy - even in extreme heat or cold! Ideal for brown spots, high-traffic areas and tough shaded areas. Covers up to 100 square feet. Refills available. Seed Refill Bag covers up to 200 square feet.