Foam Concentrate Calculator
Concentrate (gal) = flow (gpm) × time (min) × proportioning %
Flow rate (gpm)
Duration (min)
Concentration
0.1% (Class A)
0.5% (Class A)
1% (Class B / AR-AFFF)
3% (Class B AFFF)
6% (Class B)
Custom
Custom %
Foam concentrate needed
—
gal
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