Hi, anyone have any idea on ballpark chlorine loss for 100, 90, 80 etc down to 50 CYA? Pool surface is approx 390sq ft for around 18000gal. Pool is basically uncovered so sunlight around as much as in the day. So it typically starts up around 8ish to 7pm in summer and 9 to 5pm in winter.
Typical Chlorine Loss?
- Thread starter Jarwulf
- Start date
On 9/8/14 you had. 30,000 gal pool that the pool store told you needed a drain/refill. Folks here told you to,get a test kit and let's really see what is going on.
On 9/9/14 you started a new thread saying you were going to do the drain and were concerned with the structure of your pool.
Now,you are asking about an 18,000 gal pool and wanting to know ballpark FC loss. Your question is incomplete, because your don't give a starting FC level. A pool with 50 CYA is going to loose more chlorine over the course of a day if it starts at 20 FC than if it starts at 10 because more chlorine is unbound to CYA. I'm not understanding the point of the question
I have to ask, did you get a test kit?
FC loss is going to vary pool to pool, day to day. That is why we say you should have your own test kit and test your water regularly. This is how you will learn the pulse of your pool.
On 9/9/14 you started a new thread saying you were going to do the drain and were concerned with the structure of your pool.
Now,you are asking about an 18,000 gal pool and wanting to know ballpark FC loss. Your question is incomplete, because your don't give a starting FC level. A pool with 50 CYA is going to loose more chlorine over the course of a day if it starts at 20 FC than if it starts at 10 because more chlorine is unbound to CYA. I'm not understanding the point of the question
I have to ask, did you get a test kit?
FC loss is going to vary pool to pool, day to day. That is why we say you should have your own test kit and test your water regularly. This is how you will learn the pulse of your pool.
Too many variables. Temperature, sunlight, organic debris, swimmer load, just about anything.
Typically, 2 to 3 ppm per day. One swim party will triple that, though. If you test and dose consistently, in about two weeks you'll know your pool's appetite.
Typically, 2 to 3 ppm per day. One swim party will triple that, though. If you test and dose consistently, in about two weeks you'll know your pool's appetite.
Jarwulf:
Welcome to the forum. These guys are giving you great advice.
Sooner or later, you will need one of the Recommended Test Kits if you want to practice our pool maintenance process.
Welcome to the forum. These guys are giving you great advice.
Sooner or later, you will need one of the Recommended Test Kits if you want to practice our pool maintenance process.
This is the first payoff you will get from having a good test kit. Other benefits include dosing properly and not wasting chemicals, avoiding problems that plague most pool owners, and increasing the life of the pool surface and equipment.Richard320 said:
This is not a specific answer for your particular pool situation, but you may get some insight into the CYA/chlorine relationship from this thread (read posts by chem geek particularly):
http://www.troublefreepool.com/threads/85362-Fundamental-Question-Related-to-CYA-and-Chlorine
Other posts in that thread are also useful, in explaining why the typical home pool operator would not want CYA up at 100, even though that high CYA level tends to lead to less daily chlorine loss. Other factors, such as regularity in adding chlorine, and the ability to SLAM algae if/when necessary, also should be considered.