We recently had built a dark plaster gunite 30,000 gal pool. Now quickly have dark green water when brushed powders up. We have been told probably have mustard algae ....

I have a well maintained pool. which is outside, heated, and has a solar cover. The problem is the appearance of fluffy white filaments on the tiles of the side of the...

Any clue what could be causing it. My chlorine is a tiny bit high, my PH is perfect and my alkalinity is a little high. I intend to get the chemicals in balance, but I...

I have an in-ground outdoor pool which has been running smoothly all summer, howver, over the last few days a "film" has developed on the surface (almost...

There are little brown worm like creatures swirling around in my pool, and there are also some other swimming creatures in the water.

These other things are wider at...

So about a year back the pol went green and needed a shock, after the shock the pump stopped working, and it turned completely green. Since there were a few leaks, and...

Both my PH an Total ALK are off the charts high. The amount of Acid required to bring my PH down is way less than for the Total ALK. If I put in enough for the Total ALK...

:( can anyone help me? there is a white power in the floor of my pool, when we swim it clouds the water to where you can not see the bottom, if you leave it alone for a...

Hello I am a new pool owner. We own an inground pool with liner. Recent rains have filled my pool so it is above the recommended level by about two inches is this bad...

My husband washed around the deck using my liquid cold water tide & his water blaster - ever since we have sudsy foam on the pool - the pool store has no suggestions...

Help!!!!!!!!! Sand is getting into my pool through the filter. What should I do?

what can i use to make my water crstal clear, all my chemical readings are exactly right, but my water does not look crystal clear.

what can i buy just to finish this...

We have an above ground pool here and I am out of PH testing strips - so don't ask me about what my ph, alk, or anything else is right now.

1. I'm wondering about...

HELP!!! I had totally beautiful, clear pool water. Then I got this little bit of brown stuff that was sitting on the bottom of the pool, when you moved the water around...

We have been trying to get our pool water blue since the spring when we filled it back up. It is an inground concrete pool. The water is always a brown or dark green...

ok i see im not the only one to have foaming problems..my pool was fine till i added algeacide and the next day i added clearifer and thats when the pool started to...

the inside of the pre-filter container (before the pump) is purple. I have gotten some purple staining on the side of the pool and on some of the grout. someone said it...

Hello: I need some help. I own a brand new Anthony Sylvan Plaster Pool. Overall we are very pleased with the pool. However, right after (within 3 days) the pool was...

I have been trying to get my 28 ft. above ground pool clean for 5 weeks now. It was left uncovered over the winter so, as you could imagine there was lots of leaves in...

looks like mud and clumps of mud at the bottom. We changed the sand in the filter and is still doing it.