I have black dirty patches on bottom of pool.

Is this Black Algae?

My pool is the pebble finish.

Have just bought an auto matic cleaner and have put up with

silt...

I hope you can help me. I have been trying to get the algae cleaned up in my pool for weeks. I need to close the pool and the algae just wont disappear. Can I close the...

I have a new white plaster pool and have what I believe to be a black algae problem - small black circles (about 6 or so the size of a pencil eraser) in the pool. I have...

I have a vinal liner in my pool. Several weeks ago we had algae which we treated then vacuumed. Now I have several black stains on the bottom of the liner. What can I do...

I have a orangeish brown algae growth problem in my pool. It is a problem every summer at about this time. All off the chemical look good. We have added algaecide and we...

Cloudy yellow water.

This year, whenever the temperature rises to above 25°C, I get this problem .... water becomes cloudy and yellow, and the pool pH DROPS (unusual...

I have a 16x33 semi with an expandable liner and i also have a Nature2 mineral system. I have put in so much greenout super shock its crazy i also put in algacide ,...

i used to use a product calles swimguard to rid of waterbug and algae. now i can't find product. what can i do to get rid of them

should one brush the sides of the pool where there is algae. in our case on the shady side of the pool. or should one do some shock or other treatment and not brush and...

i have a pool in an apartment complex and my pool water is clear when it is closed but as soon as i open it it turns green then a blue-green color my ph is 7.8 and my...

Is there a setting on a Flo Pro filter where you can just suck out the bottom gunk to the ground insead of the ole backwash and rinse method?

Hello all.

My name is Dan and I do work at a pool store. I have been reading your posts and they all pertain to what I deal with every day. You all seem to be chlorine...

Pool water green, algae on sides and bottom. We have vacuumed endlessly, chlorine level is very high, have used algacides, have changed sand in unit. This is a 24ft...

We are looking into buying a house with an inground pool. The problem is that the pool has not been properley taking care of since no ones has lived in the house. The...

I have a 24' above ground pool w/ a cartridge filter. My pool has not fully turned green, but the Algae appears at the bottom of my pool and in my filter. It has been...

I have shocked it twice and nothing has happened can I use something else and is it safe to go in and vacuum? Also my pool is not perfectly flat it has some bumps on the...

I have an above ground vinyl I think it's 15,000 gallons it was really green and I put regular bleach in it it turned it clear but according to the test strips its...

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 was recently at my grandsons and noticed that his pool was green, I wanted to refil the pool and clean it but my daughters boyfriend would not let me, he said that my...

Hi, my dad just recently bought a new filter, a Laser Sand Filter, after having trouble with a DE/Cartridge filter hybred for a good 5/6 years.

As of right now the...