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I recall seeing a thread about this last year I believe. I just wanted to add a warning. I had small rocks in two bags of diamond crystal splash ready pool salt that I bought at lowes. I have bought pool salt from them for years and I believe it has always been diamond crystal but I'm not...

I have a Hayward sand filter, 5 years old, deep cleaned and new gasket and multiport at the beginning of this summer. I SLAMed the pool about a month ago and added some DE per pool school to polish the water off. Man did it look good. It only took a few hours and I backwashed the DE out. At that...

So I am in the process of slamming my pool and have been reading some other posts. I have ordered some CYA standard solution and was specifically reading posts about using it. It has been stated that a CYA tests accuracy is +/- 10 ppm. If that is correct then how does that affect a slam when the...

It appears the Pool Calculator and the Chlorine/CYA chart recommend different shock levels. i.e. 16 versus 20 for 50 CYA. Which do I use?

It seems that the majority of the people having pools built (at least the ones who post build threads on here) are displeased with their poolbuilders. There also seems to be a growing number of posters who knock builders frequently. I have to wonder is it really that bad? Is it that hard to find...

Mods feel free to move this. It looks like Ken Goode has water in his pool. I thought some of you that followed his thread might like to see it. http://s990.photobucket.com/user/kengood1/library/Pool

I recently replaced the pump, heater, and controller in my Hottub. I used the recommended replacements for the original equipment. An ao smith pump and a gecko control unit. Since then my tub will randomly heat up to 105 degrees even with the thermostat set on 99. The strange thing is it doesn't...

I wasn't sure where to put this. Mods please feel free to move it. I've been gone for a week and was catching up. I've seen SLAM used twice in different threads. What in the world is a SLAM??? I don't ever recall seeing that slang used here before.

We have a hot tub that we bought about 9 years ago. It is a sunbelt with gecko components. We let it sit empty last year and I was dead set on giving it away but alas the wife wants to keep it. When I last drained it it wasn't heating. I filled it a few days ago and turned on the breaker and it...

I am on the tail end of shocking and am about to run out of 870 drops. I just ordered some but they probably won't be here until Monday at the soonest. What should I do? I probably have enough for 2 or 3 tests based on shaking the bottle. Should I use pool store tests and save my drops for...

I'm in the process of shocking which I have done before. I installed a new gauge this year. It has been showing about 10 PSI but the pressure is going down. When I backwash it returns to 10 PSI. Today when I went to backwash it was 5 and returned to 10??? There are no air bubbles or leaks that I...

I uncovered my pool to an above average amount of leaves and other winter debris this year. The water was a pollen and dirt cloudy but I didn't see any visual signs of algae. I ran my tests and went into shock mode. During a week of shocking I tested for CC's 3 times and had 0. The water was...

I just realized I bought 8.25 bleach instead of 6%. Am I figuring it correctly that I use 72.7% of the recommended amount of bleach if it is the 8.25% strength? Thanks in advance

This year I have been dealing with a very fine dust that has invaded my pool. It gathers on the creases in the liner, corners, depressions, etc. I can brush but it reappears after a day or two. Vacuuming helps but it comes back a few days later. The pic makes it look black but it is actually...

For mustard algae you shock normally and after you pass the oclt and have less than .5 cc you raise it to mustard shock level. Is this correct?

Is there a pool calculator iPhone app?

O.K. I had to shock for the first time. I had a very light algae or something. Once I'm done, how long till the chlorine drops to swimmable levels? I shocked to 24 TC, vinyl 24,000 gallon pool. Temp now about 85, outside temps 100. Lots of direct sun. Any guesstimates? And what is a safe tc...

Testing picture size This would be my youngest helping me get the pool started Last September

I am currently having a vinyl liner pool installed with cantilever coping. I plan to install 3" thick 14" wide flagstone in assorted rectangular lengths for the coping. I am having a hard time finding any construction details on how to install the coping (i.e. how much overhang, what kind of...