Liquor
From Galactic Fleets Wiki
Liquor can boost a players approval rating on a planets by 0.1%.
The formula for using liquor to increase approval is:
1% of the total Civilian Population = the units of liquor needed to raise approval by 0.1%
Manufacture: Water ×9 + Spice ×1 = 10 Liquor (in Biofactory)