# Bleach or Liquid Chlorine Pricing

#### mknauss

TFP Expert
Bronze Supporter
How did you determine that?
You have Poolmath. Touch the hamburger menu in the upper left of the app. Select Effects of Adding Chemicals. Be sure your pool volume is correct, select Bleach, enter the strength you are using, and how much you want to add to the pool. It will tell what FC it will add to the pool and how much salt.

#### mwemaxxowner

Bronze Supporter
No, not that part. I use PoolMath every day.

I mean how to determine that a pool my size "uses approximately 3.3 ppm per day in full sun".

#### DanF

Silver Supporter
For your 30,000 gallon pool a gallon of 10% gives you 3.3 ppm of chlorine. That is about average daily FC usage for a pool in full sun in the summer. So about a gallon a day.
Is this relationship linear? In other words, my pool is 12,500 gallons. Would a gallon of 10% give me 30/12.5*3.3, or 7.9 ppm?
How did you determine that? Is there a general rule of thumb about FC use/10k gallons? Or was that an educated guess based on observation of a similar sized pool?
Wondering the same thing!

Last edited:
mwemaxxowner

#### mknauss

TFP Expert
Bronze Supporter
I mean how to determine that a pool my size "uses approximately 3.3 ppm per day in full sun".
The overall average seen by tracking the data from Poolmath we see the majority of pools consume 2-4 ppm FC during swim season. So the '3.3' Allen quoted is right in the middle. Your pool may be average, or a little less, or a little more. Testing lets you fine tune it.

##### Member
Northern New Jersey
Weiss supermarket had Austin's Pool Tech 12.5% for \$3.49 each.
Picked up 20 bottles in cases of 4.
Date code 20 091. Nice and fresh.
Had probably 150 bottles of shock and algaecide of the same brand as well.

#### mwemaxxowner

Bronze Supporter
Is this relationship linear? In other words, my pool is 12,500 gallons. Would a gallon of 10% give me 30/12.5*3.3, or 7.9 ppm?

Wondering the same thing!

According to PoolMath 1 gallon of 10 percent gets you 40 ppm with a 2500 gallon pool. Lol

I suspect there was a typo there?

#### mknauss

TFP Expert
Bronze Supporter
According to PoolMath 1 gallon of 10 percent gets you 40 ppm with a 2500 gallon pool.
That is correct.

#### mwemaxxowner

Bronze Supporter
I see the correction now. Looks like 8.0 ppm with 12,500 gal.

#### mknauss

TFP Expert
Bronze Supporter
I see the correction now. Looks like 8.0 ppm with 12,500 gal.
That is correct. It is all math.

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#### DanF

Silver Supporter
According to PoolMath 1 gallon of 10 percent gets you 40 ppm with a 2500 gallon pool. Lol

I suspect there was a typo there?
Yeah I fixed it shortly after I don't have a doggie pool Sounds like the relationship is linear. 2500 is 8% of your pool size and 3.3 ppm is 8% of 40.

Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.

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