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We are also in west Houston, not losing as much water per day but am getting concerned this isn’t normal. How much did the consult cost if you don’t mind sharing?

I just realized I never came back to update. Our area Jack’s Magic rep came to the house and helped identify the stains. Mentioned this in another thread but our working theory is that these are shingle granules that blew in during the plastering. I haven’t fully treated them, but have been...

I have the same exact thing going on — and our current theory is that roof shingle granules blew into the pool while they were replastering. It was rather windy the day the plaster went on and it’s the only explanation we can think of that would cause the vertical spots. The spots are...

Finally I get to add my pics!!

We are very close to being pool twins! We back up to upper Buffalo bayou so the pool is surrounded by oaks and ash trees (whose pollen I swear smells like cereal milk). Brutal is the right word for the pollen season this year. It was a baaaaad time to lose control of the pool. SLAM took 11...

I think this is our 3rd or 4th, but first on this plaster. We also have four kids so … I’m sensing a running theme in my life, you? 😋

I’m at the tail end of a SLAM and looking through these pics has only strengthened my resolve. This is our first SLAM since replaster in October and to say I’m disappointed in myself for not recognizing the early signs (reduced clarity) that I wasn’t staying on top of the pool … grrr. The pollen...

Hello fellow Houstonian! Pool design looks beautiful!

Thanks Joy. Misery loves company so that helped me to feel better 😊

Update: once I could see the not-a-calcium-nodule in the daytime I realized it was sloppy plaster and wasn’t of huge concern. But PB came out to look at the iron stains, which they’re insisting are organic, even after I pointed to the one stain that had responded to ascorbic acid. He rubbed one...

Couldn’t get a better angle, will try again tomorrow. PB said they’re coming tomorrow to get their eyes on it.

Maybe I never looked at my old plaster close enough. But I definitely never had volcano looking things and it cannot be brushed off. Let me try to get a better pic.

Hi Onbalance, question for you. Would a calcium nodule on day 5 post replaster be a sign that there’s way more to come? Or is it possible that it’s isolated and can be taken care of with your underwater fix suggestion? My pool builder is coming on Monday to see what’s going on, and I just want...

Oh you guys. I just turned on the pool lights and I really don’t like what I see. Btw I usually have the lights on white, I’ll need to reprogram, it looks like they’re stuck between colors. Okay back to my heart’s in my stomach — is that a calcium nodule next to the light? And the bottom looks...

Thanks again for the assist. Will update y’all on Monday.

Update, 10 min after vitamin C, I think I see a difference. It’s different lighting conditions but the “streak” is definitely faded. So this means iron, right?

Okay starting with vit C and puck again and will report back. Y’all are so awesome.

Thanks again for the link. And I finally figured out how to quote-reply :) I only did the vitamin C for about 30 sec … and I also just grabbed the remnants of the builder’s puck, which was pretty thin. Maybe I should try both again? If it is something in the plaster, what’s the general remedy?

Then it’s not abalone! I have pics of them shooting the plaster and some video, but likely not close enough to identify anything. Sand paper — husband had some med grit wet/dry. I tried on a spot along the wall that isn’t quite as pronounced as the one on the stair (almost like the stain...

Very interesting read, can nodules form that fast? We are on Day 5. I wish I could better describe what these look like. But you can’t feel them, it’s not something that can be picked up off the plaster. It’s almost like some of the blue aggregate (is that the right word?) that are embedded in...

Going to just post some random info that may or may not have any bearing … Stupidly I didn’t do my own testing of the water until Friday (Day 4) so I’m relying on the builder’s results, which on some days were communicated through my husband. He wasn’t using a test kit I’m familiar with — it...

Tried both on one of the spots. Neither did anything.

Hi Maddie, I’m not sure if shells were added to the mix — I was just going by issue description alone as possible root cause. They chipped out some of the old plaster, but not all.

Hi folks, it’s been a long time since I’ve posted here, but this community has always been a wealth of information and any time I have questions this is the first place I come. I am now kicking myself for not coming here before we started the replaster process, but alas, here I am. We just had...

Oh man, I think this might be what’s going on with my brand new re-plaster. I don’t know what product the plasterer used, I just chose the finish we wanted from the pool builder. I should have known to come here first and fully educate myself on this process. I need to post a thread for advice.

I'm having issues as well and was coming here to see if anyone else was reporting it! I'm having to use more of the new powder to get an accurate reading, otherwise it's way too low. I don't have any old powder to compare it to, but noticed the difference the very first time I tested with it.

Thanks for this info. You just helped me make the decision!

Yep, the end is always the hardest for me because I'm not seeing visible results like in the beginning. Keep at it; you likely have a day or two left.

Keep at it! Tail end of the SLAM is the hardest part patience wise.

I have this one spot above the waterline next to my overflow drain that tends to grow algae- any spots like that for you?