My pool has a big problem, 1/2 of the bottom is stained, looks like dirt but a brush won't touch it. I figure it's algae. shocked it them bought some black algaecide and...

i have got sand in my pool. if you let air in the lines does shoot sand in the pool?

I am in Fresno, CA and have a 30,000gal inground pool. The problem is I can't maintain any kind of chlorine level.

There is yellowish-green algae, so I get the Ph to...

My pool is leeking from under the valve for the vacume what can I do to fix it?

I just got back from getting my water tested. We've had algae problems off and on all summer. It went from a little cloudy to green in like 2 days. Here is the water...

Please help! We have a Intex 24 ft. round. It has always been a little cloudy, but swimable. We left for vacation for 4 days and came back to a green pool. I have been...

What is pink slime? Since I've been reading these threads I've switched to bleach and my scg and my clorine levels are staying above 5.0 but can't be sure as I'm waiting...

black algae in grout had this problem last year, had pool cleaned and regrouted, it has returned... whats best way to cure ??

i need help to get the green to go away i have an 18,000 gallon pool can you tell me what i have to do to clean it. :(

hi 18,000 gallon pool and it is green can you tell me what i i can put in it to make the green go away i need help i know how to make the cloudyness go away

I have a 12000 gal inground salt water pool located in Phoenix. My water chemistry is good per the pool store tester, and the water is clear. However, I am getting a...

I've been trying to fight off what I thought was algae for about 2 weeks now. It started off with a little on the bottom and sides of the pool and we thought we killed...

please help! we put in new liner this year and filled pool with water from ground water source that we have used before to partial fill after winter. Pool was a little...

Ok here we go. New pool,only up for a week .Added 2 chorine tabs to floater and 1 to skimmer . Had water tested, showed very low clorine level almost at zero. Alkalinity...

water in my pool is cloudy and smelly /citron like/ what it is ?????

We have had a green pool since July 5th, minimal changes.

24,000 gal. in ground vinyl liner cartridge filter.

Color is green, can't see bottom, walls are NOT slimey...

The pool water is cloudy. I can't keep the algae from growing on the sides and ladder. I keep adding chlorine but every time I test it shows no chlorine in the water!...

I have an above ground easy set pool with the salt water filter and the pump for the pool went out so the pool went about 2 days without a filter and when we got a...

white cloudy slime floaters, looks like snot what kind of algae is it. 15,000 gal salt fiberglass pool. cannot keep FAC above .05 or even zero. CYA 80 to 100ppm...

I have a small amount of sand blowing back into the pool through the eyeballs (don't know the correct name). Why is this happening and how do I stop it?