How I Size a Tank
• Sizing Procedure Steps
1.Determine pump capacity (gpm) from pump info
2.Run time based on HP
– 1-2 hp ---------- 2 minutes
– ¾ or less hp --- 1 minute
3.(gpm rating) × (run time) = drawdown
4.(¾ hp 10 gpm) × (1 minute run time) = 10 gal drawdown