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No, the SLAM is news to me - makes sense. I had been following the BBB method since I built the pool and never had many issues. The biggest problem for me is not being able to service the pool weekly. The CC was 0.5 yesterday morning, so I guess I am heading in the right direction. I will...

LOL, that's my life. Anyway - the FC according to the dpd test was 3.5 this morning after being at 23.5 - so 20ppm of chlorine were consumed from sunday night to wednesday morning - yeah there must have been algae ;-) I put another 2.5g of liquid chlorine in at around noontime and of course it...

Good point gents, thanks. I often do let the chlorine run out, that has been my problem... There are some times where I wont be back home for 2-3 day stretches. I try not to use pucks because they mess up the cya balance too much.

But adding more CYA will make it harder to shock, what CYA concentration do you recommend for my pool? Yesterday I took up my chlorine levels by adding 2.5g of liquid chlorine, by pool calculator's estimates that should be a FC of about 23.5

My CYA level's typically range between 25-40. I tend to keep them low so that shocking is easier, late season, say late july-august I sometimes get mustard algae or the beginnings of such. It's only may and I notice some yellowing at the bottom of the pool! Pool temp 81, sunny high of 90, dry...

Thanks chem, this is why I have been having some issues here and there. My target was to stay at 4-10 max, but realistically with my work schedule, it was more like raise it up to 10 and then it would come down to 0-2 before I was able to service again...

Agreed, I just wonder if there is a high side limit. I have always erred on the side of too low and it makes it too difficult to chase the chems with my work schedule. I don't want to be exposed to too much chlorine either...

http://www.state.nj.us/health/eoh/phss/ ... sidual.pdf

I've read the chart and used the calculator. I ask because I read somewhere that the recommended max safe swim levels of free chlorine was 4 - this was taken from a website regarding commercial pools. Does anyone else have an established safe max FC level with documentation?

Does anyone have any figures for safe FC levels for swimming? Sources??

No fountains, misters etc. I have never left it alone at 7.8 or 8.2 pH because of warranty issues and bacterial-static nature of lower pH.

I try to keep my TA at 80, it fluctuates up or down roughly 10 ppm but no more than that. I should have mentioned that yes I use liquid chlorine. I only use pucks if I am away or when I need to increase CYA.

Thanks for the replies all. Thank you Bama for the link :)

The plaster is actually 3 years and a month old. Time flies... The test kit is a Taylor K-1004.

Do you have any test result numbers to share?

I have had my pool a couple of years now, but I am still concerned with what I think is excessive acid usage. Every 3-4 days I need to add between 400-800ml of muriatic acid. My chems tonight are: Chlorine 2-4 pH 7.8 Total Alk 70 Cal Hardness 300 This is 4 days...

The pool store guy that sometimes test my water claims that he stops after the color change on some tests brightens, whereas when I test I stop at the first permanent change of color. What do you think is correct? The difference in my case was a total alk of 80 when I tested and he got 105, not...

I had heard of the whale tail and talked with a buddy that works at the pool store. He said that the whale tail was ok, but they were kinda cheap and tended to break near the top where the plastic was thin? I don't know if its true or not, but I ended up skipping on that purchase for now...

Awesome Bruce! How hard is the water that you have to empty and refill? Mine runs between 225-300ppm. Just curious since we have the same finish. Has the brush lasted 7 years??! wow, what a value Thanks for all the info :)

wow, I would have never thought of that. I will look into that. I am assuming that the bristles are very thin to prevent scoring/abrading the surface to badly. Thanks :)

well after 1 year of use the brush I had gotten with my pool has started to lose its bristles. Actually the bristles have become brittle and are snapping off making a mess of my sparkling clean pool :O Does anyone have advice on a good brush? Should they last longer than 1 year? Any makes to...

Thanks Jason! Its actually the pH that I have the problem with, as long as my chlorine is nice and bright yellow when i do the test, i am none to concerned. Its just the pH that I have been having trouble keeping a lock on. Mostly because of the trouble telling the difference between the 7.5-7.8...

Does anyone have a picture of the color comparator that comes with the TF100 kit? I would like to see it before ordering. I am having a little trouble with my current block b/c the 2 colors that I try to stay between are too similar in color. Thanks!

Cool, thanks mom. I will check it out, just wanted to be sure I was at least walking down the right path :)

Ok, now this is bizarre: Chlorine 3.0+ pH 7.6-8.0 (fluctuates upto 8.0 every 3-4 days - usually about 1-2 cups acid brings it back down to 7.4-7.6) TA 70 CYA 30-40 CH 350 I have had some minor staining issues since the pool was built in late june. The PB came and took care of them in early...

True, but on the several occasions I have gone, I was the only one there - i usually do my errands early. Good idea with the photos though, ty didnt think of that! :)

You are correct Waterbear, the test kit is by Pentair, it comes in a blue case that is identical to Taylor's smaller kits that i have seen so i thought that one company made all of them. My only complaint with the kit is the pH block colors between 8.2 and 7.8 are a good deal off in color but...