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...

I did not see a specific bromine forum. I apologize if this is the wrong place, but I would think that this same question would apply to chlorine only at proper levels....

Germany's Chancellor Angela Merkel says she is satisfied with a deal to help finance debt-laden eurozone countries.

"I think we found a good compromise," she...

New pool owner... small 5,000 gallon above ground pool.
Today's test redings...
Hardness- 0
Total Chloride- 3
Free Chlorine- 10 (as high as my test reads)
Bromime- 20 (...

Pool Chemicals:
Hello all,
I am a new home owner and the house came with a pool. After some troublesome pool cleaning companies I have decided to learn the ins and outs...

I opened my pool one week ago today. Filled it, let the pump run for 24 hours ane then took a sample to the store. Initially eveything was good. The filter has been on...