I have blotchy stains on the bottom of my pool, need help to figure out the cause and solution. Thanks in advance.

Sorry, can’t figure out how to post pictures. But...

Hi to all....new to the forum.
I'm a general contractor and working pn a very large project.
Part of the project is an unground pool in the Basement of a detached...

Hello, folks. Well, here's my dilemma (which gets worst near the end)...

I recently posted some images of a huge "mystery stain" that covered most of all...

Hi, please see attached photos of my pool walls.
This is after the pool has been drained and a pressure washer used to spray down the walls.

The pool is a natural...

Hi there,

We recently bought our house and with it came an inground concrete pool, with the standard 'salt and pepper' pebblecrete surface. We are guessing the pool is...

:x , so first my water chemistry
Ph: 7.6
Free chlorine 3.5
Combined none
Cya: 40
Alkalinity 80
Current filter : DE using zro cellulose fiber, 48sqft

So i have never had...

I had sever stains on my plaster pool and have tried shock and scrubbing it with a wire brush. I recently tried vitamin C in a small spot and it worked great. I then...

Hi everybody,

I've recently had no choice but to enter the forum to ask for your advice. After one year of installing a new inground pool, my pool started to discolour...

We have had a 24" round above groundpool since 2007. The pool ladder and skimmer face plate have become stained yellow. I used an algaecide , algaecide plus by E-Z...

We have been fighting copper levels and subsequent staining to our liner all spring and are at our wits end!

It started with a misidentified stain, that we thought was...

Help, my pool water is green but all of my numbers are within range. Two weeks ago I had to change my pump so my pool went green. Since then I have shocked and the pool...

We had our pool replastered last year with diamond brite. It came out bad. It was streaking, blotchy and discolored. The GC did a total of 3 acid bath treatments on it....

Not sure what to do.

I am not sure how to add a picture or if we can.

Hi everybody. This is my first post so i'll give some quick background info. Never owned a pool before a year and a half ago. Never wanted to. We lost our house in the...

Hi all,

I moved to the house where landlord have 15 feet intex vinyl swimming pool. But I guess nobody was using it and it was a swamp m i know nothing about pools...

I recently purchased a home that has a 15 year old plaster pool. After moving in, I noticed there is a black/dark brown stain spot about 2 inch in length in the deeper...

We recently moved to house which has a pool.
However our pool has many things that I don't what it is on floor and some on side wall.

I scraped it with a metal...

A couple of years ago my indoor liner pool developed brown staining at the deep end, I bought commercial pool stain remover, it removed the stain but it came back after...