Gro-Sure Smart Seed Fast Start is a blend of quick growing, hard wearing lawn seed varieties that is ideal for over-seeding worn grass or filling in bare patches. The seeds are treated with Aqua Gel technology for improved germination. Aqua Gel can absorb 400 x its weight in water, and slowly releases it back to the seeds, when the seeds require it to germinate. Gro-Sure Smart Lawn Seed Fast Start Aqua Gel technology is also an excellent bird deterrent. Seeds are treated with Aqua Gel technology for improved germination. Aqua Gel can absorb 400 x its weight in water, and slowly releases it back to the seeds, when the seeds require it to germinate. Aqua Gel is also an excellent bird deterrent and contains plant hormones to stimulate growth. *This seed is guaranteed to grow when the pack instructions are followed.