when I shock my pool the water turns green for a day?

i have white residue on pool walls how do i get rid of this

My kids and I found a frog in our swimming pool (a little kid pool) one day. They seen the frog in the pool for a couple of days, now we don't see the frog but there is...

I have an in ground pool in Northeast Florida. I chlorinate once a week. I take my pool water sample in almost weekly and when they test they say my water is nearly...

I just moved into a house with an above ground pool. The water was fine for the first few weeks, but has been getting worse and worse. All chem readings are low: pH 6.8,...

I just moved into a house with an above ground pool. The water was fine for the first few weeks, but has been getting worse and worse. All chem readings are low: pH 6.8,...

What causes algae to form in a pool and cause the water to turn a light green?

How do I know how much CYA to add and when to add it?

I am constantly adding chlorine to make sure my free chlorine level is high enough. My CYA recently tested at...

:cry: All chemical testing is perfect but water is GREEN..SHOP SAYS IT'S COOPER AND SENT ME HOME WITH 2 QTS OF STUFF..WILL THIS WORK? IS THIS COMMON?

hey y'all,

i have a bestway 10' x 30' easyfill pool with a simple pump. it is the perfect size for my small children but still too costly to empty and fill every day....

My pool tests out at 20 ppm for CYA. I purchased a can of HTH granular stablizer and conditioner from my local store but the directions do not tell you how much it will...

we just got our pool in last year and when we opened this year our water is crystal clear but nothing on the test strips....ph chlorine alkalinity or...

I've read some of the posts that relate to this issue. I've come to understand that I'll need to reduce the CYA through draining to get the level under control.

But,...

The cynauric Acid was 100 now it is 120. How can this be fixed besides draining the pool?

My husband has always taken care of our pool but due to his illness not able to anymore so I am trying to do it. We opened the pool this season and it usually takes a...

I've seen adds for chemicals that you can put in before closing your pool that are supposed to make opening it easier in the spring. (winterizing kits)

Does anyone...

I have an in ground 10,000 gallon pool. I bought the house last Aug and had trouble keeping chlorine levels right last fall. Went thru a bunch of chlorine and pool shop...

Well Im not having much hope after hearing some people still having problems after two summers.. But one more ditch effort. Ok so heres the deal, i have a 35 thousand...

Well Im not having much hope after hearing some people still having problems after two summers.. But one more ditch effort. Ok so heres the deal, i have a 35 thousand...