| Hydrogel # | Gellan [% (w/v)] | cMg2+ [mM] | cNa+ [mM] |
| 1 | 0.50 | 5 | 30 |
| 2 | 0.50 | 8.4 | 30 |
| 3 | 0.50 | 5.0 | 50 |
| 4 | 0.50 | 8.4 | 50 |
| 5 | 1.00 | 5.0 | 30 |
| 6 | 1.00 | 8.4 | 30 |
| 7 | 1.00 | 5.0 | 50 |
| 8 | 1.00 | 8.4 | 50 |
| 9 | 0.33 | 6.7 | 40 |
| 10 | 1.17 | 6.7 | 40 |
| 11 | 0.75 | 6.7 | 23 |
| 12 | 0.75 | 6.7 | 57 |
| 13 | 0.75 | 3.9 | 40 |
| 14 | 0.75 | 9.5 | 40 |
| 15 | 0.75 | 6.7 | 40 |