1. What is Pool Flow Rate?

Definition: This calculator determines the required flow rate (in gallons per minute) to circulate your pool water based on pool volume and desired turnover time.

Purpose: Helps pool owners and maintenance professionals properly size pumps and filtration systems for efficient water circulation.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Flow rate (gallons per minute)
• \( V_{pool} \) — Total pool volume (gallons)
• \( T_t \) — Desired turnover time (minutes)

Explanation: The pool volume is divided by the desired turnover time to determine the required flow rate.

3. Importance of Proper Flow Rate

Details: Correct flow rate ensures proper filtration, chemical distribution, and water clarity while optimizing energy efficiency.

4. Using the Calculator

Tips: Enter your pool volume in gallons and desired turnover time in minutes. Typical turnover times are 6-8 hours (360-480 minutes) for residential pools.

5. Frequently Asked Questions (FAQ)

Q1: What is turnover time?
A: The time required to circulate the entire volume of pool water through the filtration system.

Q2: How do I find my pool volume?
A: Use our Pool Volume Calculator or multiply length × width × average depth × 7.5 for rectangular pools.

Q3: What's a typical flow rate for residential pools?
A: Most residential pools require 30-60 GPM, depending on size and turnover requirements.

Q4: Does this account for pipe friction and head loss?
A: No, this is the theoretical flow rate. Actual pump sizing should consider system head loss.

Q5: How often should I circulate my pool water?
A: Most experts recommend at least one complete turnover per day (24-hour turnover time minimum).