Found this trichlor granular, does this also contain CYA ?

I had chlorine problems with my pools for the past several months. I had a technician looked at it and he told me it was time to have a new chlorine generator. I ordered...

I tested a friends pool just moved in not long ago. I get 0 FC on sticks and 5ppm of CC so I ran FAS and got 5ppm FC and 30 ppm CC. The CYA is at 65 and pH is fine all...

I am a newbie pool owner, so I am not familiar with the pool equipment yet.

I bought a Hayward Chlorine Feeder (CL220 Off-Line Automatic), but I don't know where to...

Hello, i`m not good with colors :) can you help me and say how many Chlorine is there?
Thanks

Stop relying on ORP since it is not accurate or if it is at least consistent then calibrate it against a proper test kit (see Test Kits Compared for two good test kits.

For the past month, I’ve been having trouble keeping the Total Chlorine and Free Chlorine up to the correct levels in a salt water pool. The 24-hour boost hasn’t helped....

I just increased total alkilinity and added some calcium after heavy rains here in Wisconsin. 20'x40' 30,000 gallon in ground pool with vinyl liner, sand filter, and...

Good afternoon.
I'm new member in the forum.
working in Cyprus hotel, the pool.
would like to know, what is the correct way to control run of pool chlorine.
with-drops...

I have reviewed older posts but still do not know what to do to get my pool to register any chlorine.

The pool is 15 years old with original plaster. The pool surface...

I have read other posts on high chlorine but they do not address my particular problem. I have a 29,000 gallon in ground salt pool with Jandy equipment, Chemlink 1900...

I see that a lot of on line pool sites offer a lot of different prices for chlorine. One company offers a 3'' tablet for almost double there normal 3'' tablet, but they...

I have a 18 by 4 foot intex pool and need to know how much reg bleach and anything else to use that's cheaper my husbands out of work need to save money just now adding...

Good afternoon.
I'm new member in the forum.
working in Cyprus hotel, the pool.
would like to know, what is the correct way to control run of pool chlorine.
with-drops...

Okay. I live in South Texas. I use Leslie's products in my in-ground vinyl pool. i have always used Chlorbrite, Chlorine tabs and Fresh n Clear.

I recently bought some...

Hi,

I was thinking that if i use stabillized chlorine in my pool, the CYA wil go too high before the end of summer, where i will have to drain the pool anyway. If it...

My indoor pool: 6m x 4m.

Latest reading:

Free : 0.22
Total : 0.60
Combined : 0.38

Should be a combined reading of 1.00/1.50

Cleaned the dosing (chlorine) pipes and...

This forum and the Pool School have been immensely helpful through the past few years of pool ownership. However, I find myself with a problem that seems to be ever...