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After more digging around in the forums on CYA degradation, I am trusting this mornings CYA test and accepting that something happened to gobble up the CYA. Whether it's bacterial, it just gradually vanished or something else that accelerated it I don't know, but I have added CYA to the pool now...

Hi Jason, Thanks - I'll keep an eye out, and start fresh tomorrow if there is a significant drop in FC. The algae is not so bad (From what I can see visually) I have been reading up on CYA conversion to ammonia and what else I could find, because I've always been of the assumption that CYA...

Hi everyone, I let my pool get away from me, and am in the process of SLAMing it My CYA level in my SWG pool has been pretty consistent at about 60ppm, but after adding CalHypo last night to bring FC to 35ppm I thought this morning let me just re-test the CYA level, to make sure I am bringing...

That is a really interesting observation - thanks for that. I also forgot to mention that the grout softness varies in regions around the side of the pool, again supporting the idea of it being badly mixed grout (like water thinned grout), you would think that if it was just water chemistry...

renovxpt and OnBalance, thanks for your input - the salt definitely was added 30 days after (40-45 days), but sounds more like a mixup happened with the mixing. A contractor friend of mine (Not the installer) says that most likely it is the Portland Cement type as that is common down here, and...

Hi OnBalance, I actually don't know - I believe it was the something else category of grout, but would have to contact him and ask (I don't reside in USA but the Caribbean) I am sure the grout got mixed and used for more than two hours, but wasn't watching it all day being applied, so don't...

Thanks for the input. I had forgotten to post a couple of pictures. The only two things I am worried about with the pool now is the grout going soft and some staining. The grout was not that soft when the pool got filled, but maybe it is to be expected in the initial stages (first year?) of a...

Hi Duraleigh, The fill water is CH 250 and the pH is 7.2-7.3 I live in Barbados, and the pH of the pool has been roughly between 7.2 - 7.8 (Mostly between 7.2 and 7.6). While I was aerating it it went a bit more extreme, dipped below 7 and touch 8 a few times, but for short periods of time...

Hi everyone, and thanks for a great and informative site. I have a question and would like to share my pool story at the same time: We took over the maintenance of the pool that came with our recently acquired house in October, after going through 3 cycles of green algae, shock+algecide and...