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I actually do have alot of spots on the bottom and on the walls.

What would you recommend I use to remove? Should I do muratic acid over each spot using a pole and hose? I saw some thread on lowering the TA to 0 and that might help to remove them.

Here are a few more photos. Why the dark area around the white nodule?

Even if this pool is 7 years old? Why would I be seeing this now?

I have been dealing with these hard white/grayish spots on the bottom and walls of my concrete pool. I am in the middle of a SLAM/MUSTARD algae shock as we speak. The reason for this is that I did also have some issues with algae. I recently connected new Intellichlor salt water system and...

I have a gunite pool that I have been battling stains with for the past couple years. The stains are like a yellowish to orange color. I have had success in the past using a product called Stop Stains, but it requires so much to treat the pool that it is nearly $100 each time. My PH typically...

I have an intellichlor salt cell. All last summer I dealt with it not producing any or enough chlorine. So I used mostly liquid chlorine all last summer. This season we have acid washed it, although no scale was visible on the blades and it did not bubble up. I was told a few weeks ago at...

I have had issues with staining in the past in my plaster pool. My question is since I am on well water, every time I need to add fill water to the pool, would you also recommend at the same time I always add a metal sequestering agent?

So until my kit arrives, should I just add some chlorine so I don't end up with an algae bloom?? When you say raise my FC to 10-12 my CYA level, my CYA level according to pool store is 70ppm. If I use the poolcalculator.com and look at the Chlorine/CYA Chart I have a SWG pool. Says I need to...

I recently (about 3-4 weeks ago) did a stain treatment on my salt water pool (details on pool size in signature line). I used a product called "Stop Stains" by Suncoast. Before adding this product I dropped my chlorine to almost zero and brought the pH down to 7.0. This product says is...

So I neglected my pool this winter and now I am seeing hard white stains mostly on the bottom of the pool They are raised as when I run a pool net over them, it is rough and you can feel it get stuck on some of the larger ones. I did add 3 lbs of ascorbic acid as well as 10 lbs of Suncoast...