1. ## Gallons?

Hello all, so how do I figure how many gallons is my pool?

2. ## Re: Gallons?

Measure your pool, then use this: https://www.troublefreepool.com/calc.html

3. ## Re: Gallons?

Break out the tape measure.

If it's rectangular, round, or oval, poolmath can do the math for you, down at the bottom. If it's more freeform, then you'll need to make a sketch and get dimensions and depths and calculate it in sections.

4. ## Re: Gallons?

Originally Posted by Apokalo
Hello all, so how do I figure how many gallons is my pool?

Sent from my iPhone using Tapatalk
If you know the pool builder, they may have records. The previous owners left the pool builder's contact information. I just called them, gave my address and they looked it up...

5. ## Gallons?

Thank you very much guys. You are rock stars!

6. ## Re: Gallons?

A couple tricks I have used to figure out my pool in gallons.

1.) If you ever decide to drain your pool, before refilling put the hose(s) that you use to fill your pool into a 5-gallon buck and determine how long it takes to fill the bucket. Then when you fill the pool, keep track of the time when you start and finish the fill. You can then calculate how many gallons your pool is based upon how long it took you to fill it up.

7. ## Re: Gallons?

Originally Posted by spinPHD
2.) An even easier method is to determine size based upon how much your FC raised after adding chemicals.
....
Also, try to use a fresh batch of chlorine.
Glad you mentioned freshness of chlorine. In reality, I don't think you can draw accurate conclusions, because even "fresh" chlorine may not have been stored in ideal conditions, and may not reflect the strength printed on the bottle.

8. ## Re: Gallons?

Originally Posted by spinPHD
A couple tricks I have used to figure out my pool in gallons.

1.) If you ever decide to drain your pool, before refilling put the hose(s) that you use to fill your pool into a 5-gallon buck and determine how long it takes to fill the bucket. Then when you fill the pool, keep track of the time when you start and finish the fill. You can then calculate how many gallons your pool is based upon how long it took you to fill it up.

This is EXACTLY how I figured out my pool capacity. The pool co swore it was 15k but it turned out to be 13k using both methods above.

9. ## Re: Gallons?

Originally Posted by jeffbrig
Glad you mentioned freshness of chlorine. In reality, I don't think you can draw accurate conclusions, because even "fresh" chlorine may not have been stored in ideal conditions, and may not reflect the strength printed on the bottle.
It's not exact, but if you do it every so often you can fine tune it to be pretty close. I think with every test you run, the more you learn about your pool and that includes getting a better sense of the actual size. After all, even if you know the exact size of pool you're never going to know the exact concentration of every bottle of bleach you add.

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