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Ha, stepping up after months of fighting with me

Going with a Tropics Blue quartz mini pebble and blue glass beads. Also attached a pic of two abalone spots they chipped out. In the bottom right you can actually see the decaying shell fragment. In the pit on the left you see the abalone shell all smashed. Now multiply by 400 spots and that’s...

We’ll problem solved with my pool. It wasn’t black algae which was pretty obvious. The mysterious brown spots turned out to be abalone that got troweled into the plaster about 1/2 an inch and began to rot. They then leached protein and stained the plaster. My pool builder drained my pool and...

The plaster manufacturer says that the problem is as I suspected, the abalone shells in the pool or leaching proteins. They recommended adding 12 pounds of shock two times over a five day window. They recommended increasing my chlorine to 10 ppm. However, my free chlorine levels were already...

Moved from here... Abalone Shell Chips Causing Brown Stains in Diamond Brite Plaster- I am having the same problem, can you help me out? My two month old pool looks like Crud, has hundred of dime sized light brown spots, many are surrounding abalone shell, other spots I am suspecting are...

I went to a pool shop that tested the water in a centrifuge and they only found a trace amount of copper so I added a double dose of metal out. There were no other metals present

I have the exact same problem in a 2 month old pool. Very frustrating. I haven’t figured it out yet, the pool looks like it’s dirty all the time. If you figure it out let me know. I have a mini pebble aqua cool with some abalone added

I have had 3 different pool pros look at the pool and they are all over the place with diagnosis. I did see someone from Louisiana say that they say brown circles around the abalone shell that had been added to their pool (no pics) though. So I looked closely at the pool and I did notice a fair...

I haven’t tied calcium hypochlorite, what would that do? Is it more of a bleach? I tested my alkalinity and it was low, I just added 13 lbs of baking soda at the recommendation of the local pool company. They actually tested the water with a centrifuge which was really cool. I also added some...

I’ll have to check with our pool guy to see the brand of Algecide. The spots aren’t uniformed and they are also on the steps where there is no rebar,the steps were just made from formed gunite. I checked the copper/iron levels today and there was none. I actually went to 2 different pool...

All,I have a brand new pool, like 60 days old. After about 5 weeks I started getting these brown spots all over the pool. I have no grass around the pool so it’s not from fertilizer. There are about 300 of them of various shades. Initially my pool builder said black algae but it’s clearly not...