HOUSTON – Getting and keeping a lush green lawn in Houston can be tough. Hydro Mousse Liquid Lawn Seeder claims it can make your lawn look like you hired a professional, without the price. What: Hydro Mousse Liquid Lawn SeederPrice: $19.99 plus tax & shippingClaims: The grass grows where you spray it. How it WorksSpring homeowner Jim Lentsch agreed to test Hydro Mousse on some bare patches in his yard. Hydro Mousse covers the bare areas with a green dye, so you can see exactly where you’ve seeded, but if you’re not careful, the green gets everywhere.