Sorry if this has been discussed before, but I am not finding an answer

My PH and Alkalinity is reading perfect, but my chlorine levels are

total chlorine 8.5

free...

my level of Cl was at zero, I added alot (green algae), it's benn an hour and the test still says 0. How long should it take to show up? Thanks

Question - Just uncovered the pool for the season!! Woo hoo! Need to shock pool. Want to use 6% liquid household chlorine beach in 42,000 gal. pool - what's the ratio to...

My husband and I both shocked. Now we have sooooooooooooooo much in there. What should I do? :(

opened the pool, have 25000 gal. green floor was vacuumed to waste. Then I started shock treatment. My ph was at 7.2 ..I got from dirty green to cloudy green with 50lbs...

Is there an online calculator where I can enter these 3 values:

Combined Chlorine level in PPM

Volume of water in gallons

% Available chlorine in powdered shock...

This is strange, We've had our pool for 8 years now and have had no problem keeping the chems right. But now I can't get chlorine to register! After shocking several...

I had just drained half of my pool last week, added new water. Balanced water over the weekend. Then added 3 gals of bleach on Sunday.

On Tuesday I added two 1-lb bags...

I changed 90% of the water in my above ground pool this year, I choc'd three times in the last 2 weeks and added two pastills daily but no chorline level on test with...

I have a cloudy pool attributed to high ammonia levels. We just opened our pool so it can't be pee. It was closed for the winter perfectly balanced and clean. I have...

I read some things on the liquidator and what not.

Anyonw have any of these feeders with goods and bads? Thinking I may want to instal one due to my work schedule...

When adding Sodium Hypochlorite to my pool, is it OK to just walk around the pool parimeter and poor it in?

Or should I only add it to the deep end?

Or should I only...

New to this site and would like some help. I have been trying to get the chemicals correct in my pool for three weeks. At last test, my alkalinity is correct as well as...

So I am at my local pool store to pick up calcium increaser. I try to support my local store when I can, so I ask them: "do you have any un-stabilized...

I have a hayward chlorinator that I load with 3" tabs. When my CYA gets too high what are my alternative chlorine options to put in my chlorinator?

Most stuff I...

Can anyone tell me how many gallons of clorox ultra I would need "approximatly" to maintain a good 15-20 cl level to shock this pool and help clear it up?...

At the start of each pool season I purchase a 40-lb bucket of 3” chlorine tabs and a 24-lb box of 1-lb bags of shock from my local Costco warehouse. I normally buy...

Ok I have a pentair intellitouch and a polaris autoclear plus. Everything was working fine with the system until I had lightning hit and I had to have my inside wall...

Hi,

I am having trouble with the salt-cell not producing any chlorine. No bubbles come from it, have checked the connections and it is fine. Wondering whether the...

I have a salt chlorinator and was wondering how you can tell that you are low on salt other than taking it to the shop for testing as they always give me heaps of stuff...