| group | condition | fitness | t score | |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.6 | -11.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.5 | -11.4 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -3.4 | -9.0 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -3.3 | -11.8 | compare |
| hydrogen no stress control | H2 no stress control | -3.2 | -10.4 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.2 | -10.9 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.2 | -11.4 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.2 | -12.1 | compare |
| nitrogen source | H2 N-free with 10mM D-glucosamine | -3.1 | -11.2 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE | -3.1 | -10.1 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Casamino Acid FREE | -3.0 | -11.3 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -3.0 | -10.2 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.0 | -9.4 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -3.0 | -10.2 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.0 | -11.3 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -2.9 | -10.9 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -2.9 | -11.7 | compare |
| stress | McCas_formate_complete Polymyxin B sulfate 0.05 mM | -2.8 | -7.1 | compare |
| nitrogen source | H2 N-free with 10mM D-glucosamine | -2.8 | -10.6 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -2.8 | -10.5 | compare |