The water in the pool is slightly green, and there are deposits of sand on the bottom after I run the pump on filter. any ideas?

Thanks to Leslie's my Mother put 30 lbs of Alkalinity Up in her pool at once, around 7 PM last night. Today at about 9 AM my father put about 6lbs of soda ash in at...

Ok, never owned a pool before, thought it would be just PEACHY to have a modest above ground/less work/simple maintanence...almost a "throw away" pool for...

Pretty new pool owner here...

Stats yesterday morning
Free Chlorine 5ppm
Total Chlorine 5ppm
Combined Chlorine 0ppm
pH 7.8
Hardness 155ppm
Alkalinity 85ppm
Total...

My neighbors have a pool...and I noticed that my plants tha are located in the "pool dranin run off" die or do not thrive...how could this be?

We have an 11000 gallon above ground pool with sand filter. We bought our house last October and just opened the pool last weekend. It was a gross green, murky mess. Our...

b]Problem : My pool pump died and I had a dark green pool until I got it fixed. Once I got the pump (1HP 220V Hayward Super Pump with Sand Filter) fixed I dumped 5 - 2.5...

FC 20
CC < OR = 0.5
PH 7.2
TA 100
CYA 80

My Hayward cartridge pump has been running 24/7 for 2 weeks now. Changed out the 1 year old cartridge filter for a new one...

My pool water looks clear but when you look closely there are little particles floating in the water. We have used clorine, algaecide, and shock in it. We run the...

When I put flocculant in my pool it works. Its the only thing that works. My pool starts out cloudy, I add flocculant, let filter run 2 hours, then let sit overnight. In...

My inground pool has had clouding water all season, I discovered that the manifold was cracked and I replaced it. This I believe was keeping the DE in the pool water, I...

I had a pump motor go bad during off season and I was late getting started opening pool this summer. Lots of algea and contaminates. Installed new pump and motor and...

I have a pool which is looking blue but cannot see deep down. in getting into teh pool the pool turns thick green. I have cleaned teh filter, vacummed the floor. There...

We have a 16x32 inground vinyl pool, salt water chlorinator... After getting it cleared up for the summer usage, the pump motor went out and we had to replace it. It was...

I have an above ground 15/48 quick set-up pool it's been up for over a month everthing was fine. The las week or so I noticed it getting a little cloudy so added what...

My pool water IMMEDIATLY turned from crystal clear to milky white after adding PH increaser. I have a 10,000gal pool. The PH level was low so I added about 1lb. As it...

my chlorine and PH levels are in the correct range. my alkalinity is at 180. the pool water turned red over night. how do I treat this and what caused it.

Last weekend moved into a house with a crystal clear pool. 30k gallons (imperial), and a sand filter. Pump operates on a timer for 10 hours each night. Pool has a solar...

Hello,
Before I ran into this pool forum, I had a problem w/ mustard algae. It's not the 1st time, so I treated it the same way it was treated before. SHOCK, CHLORINE...

So, I wrote on these forums a few weeks ago about having cloudy water. I noted that our 115,000 gallon and 55 gallon (diving) pools were fairly cloudy, yet pool readings...