I have teal, chalky deposits all over the tile grout of an older spa. I have drained it and tried brushing, but nothing short of a putty knife removes it. Is there a...

We purchased a new saltwater pool this year and it's been great, but I noticed big spots have appeared all over the bottom. What is it? What can we do about it.

Hi, First timer here. I have an empty indoor salt water filtration pool at a business I want to fill. I just purchased this and the pool has been empty since June 1st of...

We just purchased a home with a pool in terrible shape....couldn't see 6 inches. We drained it and acid washed it (had it done by a not completely competant pool guy)....

Is there any other way to lower salt level in pool other than pumping down and adding fresh water.

Hi, I was just wondering what it is or what it means when you see white or clear beeds or tiny bubbles all over you when your in the pool water.

Thanks, Michelle

How much of MgSO4 (in grams)/470,000,000 mL = 100ppm

I'm trying to increase my Pool water hardness by adding magnesium sulfate I'm not sure If I have to add 140...

I just took off the cover on my above ground pool and was totally shocked at what I saw. The water was black and after dumping in a couple pounds of shock treatment...it...

I have a heavy build up of scale in the bottom of my pool due to the water being way out of balane for over a year. Besides getting my water balanced what can I do to...

causes of a cloudy pool

We just installed a salt regenerator pool late last summer---our first pool ever. Now it is time to "open" the pool for the summer. I never received an...

I live in columbia, SC and work for a local pool company. We have recently come in contact with some kind of pink calcium buildup on one of our plaster pools. I took a...

I have a pool which has got a very hard brown substance which is on the pool bottom.

I have used Descalent and also chlorine shock in the pool.

I have loads of...

We have come to open the pool. ugh dreadful colour.

Anyway, there is a brown scale around some parts of the liner just above the water level. Some of it rubs off with...

Hello,

In another post (forgot which one) someone mentioned adding SALT to the pump as a way to reduce/remove scale. Is this a viable option? Because scale is next...

hi, my inground concrete pool total hardness reading is only around 80 to 100. I read somewhere to raise total hardness, i need to add calcium chloride. pool store is...

Hi I have a Vinyl Pool, I read that Calcium Hardness is not that important for Vinyl Pools.

My CH tested today was 90.

I have read that the CH should be between...

I have heard that soft water is bad for the pool, however, I just built a pool in my back yard after buying a new home and come to find out that the outside lines of my...

is it possible to reduce hardness from 200 to 0, and is it true that having 0 hardness is bad?

I am by no means a chemist, but need an answer to a simple question. On a non salt-generator pool, is soft water desirable or not? My dad has had a pool company for 18...