I am seeing a couple of white lines on the side of the pool under the water, it feels hard and when brushed it has a powdery residue in the water....

:roll: Can anyone answer several ?s for me I am looking at a house for rent with a salt water pool it is green and nasty it seems to be the house has...

IG 16x32, sand filter, vinyl liner. Approx. 20,000 gal.

I have been using 4 oz. of PolyQuat 60 per week, but ran out. I read somewhere about using...

Help, after every rain here in Southwest Florida my covered pool is literally covered with tiny winged ants. They could be flies in the maturing...

Why all of a sudden is there a test and concern about High Phospates. In 28 years it was never a problem +4000, but now it is. I Use a normal...

Ok I just spent 25.99 on some floc & clear... it says do not vacuum to filter! I do not have a vacuum to waste option. Can I still use this...

I had my sand replaced in my inground pool filter. Ever since that time I have had massive algae issues. Is there a chance that something is wrong or...

Is it ok to add other chemicals such as ph/alk increasers/decreasers, etc. while there are superchlorination levels in the pool?

Thanks

20,000 gal. in-ground, vinyl liner, sand filter.

I don't have a good test kit yet. I have been using a 3-way to get a pH reading, 6-way test strip...

:?: Does anyone know how many gallons of water a 15x30 oval pool holds ? Just moved in and opening the pool, need to know how much schock to add.

I used to only check my pool for ph and chlorine using pool water and drops, but recently bought the test strips with 5 readings. My pool is starting...

We have an inground pool with approx. 20,000 gal., vinyl liner, and sand filter. It is clear and looks great after a month-long fight with algae. I...

we have mosquito larvae in our above ground pool and they just go right through the skimmer how can i kill them with out starting all over again

My husband and I bought a house with a pool that is two years old. The pool was not opened last season and with all the time and effort we put into...

Our pool is full of pondskaters, please can someone tell me why??? We live in Southern Spain and the chemicals available for swimming pools aren`t as...

I have alot of bugs (flies, moths, etc.) get into my pool. I filter and sweep my pool. My chlorine levels fluctuate slightly. Ph usually good. I have...

How much "crystal" do I use for an 18' above ground ? how often ? Clorine?

How do I remove the tadpoles in my swimming pool? I have used chlorine and algacide and filtered and vacumned but nothing is working.

i have these clear to tannish colored bugs in our pool they look like spiders or ticks we also have some red wiggly worms.how do we get rid of...

I have very tiny bugs on the top of the water. They seem to jump to the side and then back to the surface. I don't know what they are or where they...