| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| additive in purple top tube | 1.17 | 0.3 | 1721 | 63 |
| purple top blood tube additive | 1.62 | 0.1 | 303 | 58 |
| what additive is in a purple top tube | 1.06 | 0.9 | 9834 | 47 |
| additive in blue top tube | 0.81 | 0.3 | 4203 | 29 |
| additive in red top tube | 1.87 | 0.5 | 1734 | 25 |
| purple top tube used for | 0.28 | 1 | 9782 | 25 |
| additive in yellow top tube | 0.6 | 0.4 | 4780 | 63 |
| pink top tube additive | 1.83 | 0.9 | 4900 | 21 |
| additive in green top tube | 0.8 | 0.7 | 6908 | 20 |
| black top tube additive | 0.42 | 0.4 | 1906 | 73 |
| dark green top tube additive | 1.02 | 0.1 | 3143 | 77 |
| additive in gray top tube | 1.75 | 0.9 | 8308 | 33 |
| navy blue top tube additive | 0.28 | 0.8 | 7783 | 30 |
| white top tube additive | 1.43 | 0.8 | 5004 | 88 |
| light blue top tube additive | 1.89 | 1 | 1970 | 22 |
| purple engine oil additive | 0.4 | 0.3 | 1272 | 87 |
| tube colors and additives | 0.05 | 0.7 | 281 | 53 |
| additives for white topped tubes | 1.47 | 0.7 | 7229 | 14 |
