Cheapest antifreeze & coolant per fluid ounce

1. 1
   SPLASH RV & Marine Antifreeze -50°F Burst, 1 Gallon$0.047 per fluid ounce 128 fl oz $5.99
2. 2
   Prime Guard -50°F RV & Marine, Boats & Potable Water$0.065 per fluid ounce 768 fl oz $49.99
3. 3
   Zerex Asian Vehicle Blue Antifreeze Coolant Concentrate 1$0.072 per fluid ounce 256 fl oz $18.50
4. 4
   Zerex Extended Life Red Heavy Duty Concentrate$0.080 per fluid ounce 256 fl oz $20.59
5. 5
   EZ POOLS RV/Marine Antifreeze | 4 Pack | -50 Point Freezing$0.081 per fluid ounce 512 fl oz $41.50

Prices as of Nov 13, 1:08 PM UTC