Soil O2 SolutionsLogo Design Contest Logo Design Contest Contests / Soil O2 Solutions Soil O2 Solutions has selected their winning logo design. For $275 they received 136 designs from 18 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by favy & the zaaf Return to Contest Return to Contest Withdrawn 8th #25 Withdrawn New #24 Withdrawn New #23 Withdrawn New #8 Discussion mplague Client Entries #24 and #25 are appealing.What is the idea behind the checkmark inside the O on Entry #25?On Entry #24, would be looking for a different graphic inside the O as 99.9% of use will be on turfgrass, not plants with leaves. 10 years ago