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My CYA seems to decline faster than references predict. So I will use a puck a few times a month, and anytime I won't be home to take care of the pool. My CYA levels are in the 40's now, and a puck every two weeks plus some liquid 2 or three times a week seems to keep the chlorine around 6 or 7...

Well, as a follow up to this thread: Now that it is the fall, pool temps are down, air temps are down, sunshine is less, and my chlorine is lasting longer and takes less. I figure it is due to less sunlight and lower temps, but I also think the more recent batches of chlorine have had better...

I just had the pool filtration replaced and upgraded 4 years ago. We did consider Saltwater. When I asked 4 colleagues who had converted, 3 regretted it, and one was ambivalent. The company who was servicing my equipment was ambivalent as well, so we didn't convert. Four years later, I continue...

The grocery stores keep it inside also. But they are delivered by truck, temperature this afternoon was 114 degrees. The temperature inside non-cooled vehicles gets in the 160's rather fast. Even products from refrigerated trucks get spoiled in transit, either from the compartment not being...

So it does. My Kemtech chlorine is dated May of this year. However, EVRERYTHING delivered to Phoenix this time of year has been stored in the heat somewhere, and who knows how long.

Anyone ever see unexpected chlorine levels with different brands of liquid chlorine? I was buying Clorox at Costco, but couldn't get there last week. So I bought the 1 gallon two pack of Kemtech at the grocery store. Clorox claims 7.55%, Kemtech claims 10%. Interestingly, it seems that I need...

Playing with the LSI calculators, I can really get away with a lot more variation in pH and TA in the winter, when water temperatures drop into the 50's . This is my first summer trying to manipulate the LSI, I am curious what is going to happen with the first monsoon storm to it my pool. That...

When I took over the pool, the CYA was over 150. It took me over a year to bring it down. Interestingly, last November it was 90, and this May it was under thirty (pool store said it was 8, my kit had a lower test level of 30). That was a surprise, considering it didn't change much all summer...

No water softener, municipal supply mostly from the Colorado River and Salt River via canals/aqueducts, perhaps some groundwater. I use TF pro test kit. The pool is almost 30 years old, I just started taking care of it last year. Some scaling from years of previous owners just tossing in...

Hello - google has failed to answer my questions about high pH despite low TA, and then there is the saturation index. I live in the Phoenix area, and I am always fighting elevated pH. The water teperatures are high this time of year, around 85 degrees. The air temperature is over 100 degrees...