Stain Problem

[Jkraus]

The white walls on my pool look they are "running" Or maybe the word Splotchy works better. Any one else ever have this type of problem?

I have an IG pool with a DE filter with 25,000 gallons of water. Everything test fine accept the TA is a little low. Any advice??

Jason

 

[divnkd101]

Jason,

Some more details on your pool would help. Is it new, how old, etc.? Have you been brushing it on a regular basis? Also, pictures never hurt. Post some more information and we will help you work through your questions. Welcome to TFP.

 

[JCJR]

I DO!!!!!!!!!!
I thought it was from the sh*tty plaster job they did on my pool but now I think it is scale. The plasterers still did a terrible job around the corners, blobs of plaster not smooth and so on. My neighbor had a different PB but same plaster contractor and he complains ablout the plaster. I brushed and maintaned my water balance but my PH sky rocketed every day, I had to put acid every other day, I know I did not let it go more than three days so I am still puzzled how the scale got there.

I think it was because my pump was not installed till 4 days lafter plaster. I brushed three times a day but no where for the dust to go. ( I guess?). I suspect that they did not acid wash due to the way the plaster looked, I wasn't there to witness. I have small yellowish brown stains and I am picking up a stain kit tonight. In the meantime, I lowered my PH to 7.2 and have been brushing last three days and it looks a little better.

 

[Jkraus]

This is our 2nd summer with the pool. We brushed it regularly last summer. But did not know we needed to brush the walls this year.

I added some scale preventer last week. Did not seem to do anything. No White flakes to be seen.

Jason

 

[JasonLion]

You should post a full set of test numbers and if possible some photos.

Fresh plaster should be brushed constantly but fully cured plaster only need to be brushed now and then (between once a week and once a month).

I am not sure what "Splotchy" is. Do you mean that different areas have become different shades? Or has the surface become unusually rough if places?

 

[JCJR]

Most peole will agree that you must brush the entire pool once a week as maintenance. This helps to lodge anything that gets stuck to the wall so that it can be filtered. With a new plaster pool you might want to brush more frequent.

 

[mbar]

If you post a full set of numbers, we can help, also what you have been using in the water. A good way to check the stains is to crush up some vitamin C tablets, put them in a sock and rub on the stains. If they lighten up it is a mineral stain. You can also use ph down in a sock. To check to see if the stains are organic, you can rub a trichlor tablet on the stains, or powder chorine (in a sock), on the stain, if it lifts or lightens, then it is organic. Let us know how you fare out