| group | condition | fitness | t score | |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.7 | -4.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.6 | -4.5 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 FREE | -4.4 | -5.3 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.3 | -5.9 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Vitamin FREE | -4.2 | -5.8 | compare |
| iron | Iron excess (2.5x) , H2 media | -4.2 | -7.0 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE | -4.2 | -5.0 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 & Casamino Acid FREE | -4.1 | -5.6 | compare |
| rich t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2 | -3.9 | -6.5 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Vitamin FREE | -3.9 | -2.6 | compare |
| nutrient t2 | H2 McCas, 2.5g/L bicarb, 200 mM MOPs, 40 psi H2CO2, SO4 Vitamin & Casamino Acid FREE | -3.9 | -3.8 | compare |
| iron | control, 1x iron with casaminos and vitamins, H2 media | -3.9 | -6.9 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Casamino Acid FREE | -3.8 | -3.6 | compare |
| iron | Iron excess (2.5x) , H2 media | -3.7 | -7.3 | compare |
| hydrogen no stress control | H2 no stress control | -3.7 | -8.5 | compare |
| nutrient t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 & Casamino Acid FREE | -3.7 | -4.3 | compare |
| rich t2 | Formate McCas, 2.5g/L bicarb, 200 mM MOPs, 20 psi N2CO2, SO4 FREE | -3.6 | -4.3 | compare |
| stress | Formate 50 mM hypophosphite | -3.6 | -9.0 | compare |
| rich t2 | H2 McCas, 5g/L bicarb, 40 psi H2CO2 | -3.6 | -5.4 | compare |
| planktonic | H2 pooled triplicate planktonic cells | -3.6 | -3.4 | compare |