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When it ask for temperature in the Pool Calculator what temperature is it asking for? How hot or cold it's going to get weather-wise? Or the water temperature? or ??? I looked through all the directions and didn't find anything that specified what is meant. Thanks

Courtesy of the utility tree trimming crew dragging stuff through our yard from the part next door, we now have a bunch of pea gravel in our pool. We have tried using our regular pool vacuum but it won't pick the stuff up - it's too heavy. Any ideas? Thanks, Patricia IG Plaster pool...

current numbers: FC 21 CC 0 pH unk TA 110 CH 270 CYA 50 M-O-U-S-E Th-th-th that's all folks :wave: My question: Can I use changes in TA as an indicator of pH changes since the pH test isn't valid at these FC levels? Background: I have been shocking our pool for five days to treat (again)...

I know that high chlorine levels cause the pH reading to be inaccurate. Can anyone tell me how high the chlorine is when this starts to happen? Thanks, Patricia 17K inground white plaster, hayward pump and filter system jet vac sweep TC 8 pH 7.5 TA 120 CH 260 CYA 45

Is it typical to have to adjust pH on a daily basis because it gets too high? Our plaster pool was re-plastered about 3 years ago. I am testing the pH daily and adding acid at least 5 days out of 7. If I go 3 days without testing the pH is above 8.2. This doesn't seem right. And my TA never...

I have been successfully maintaining the CYA level in my pool between 40 and 50 for several months. We keep our FC levels a little high because of a hx of black algae. This has worked well for several months. So I had stopped testing the CYA level frequently since it had held steady and I have...

I've been looking at this new product that's supposed to help you clean your filters. I've found it on several pool supply sites. At Leslie's it's called a Water Wand Cartridge Cleaner and runs $21.99. I'd like to know if anyone else has used this and whether it really works or not. I have 4...

I have a pretty old pool (circa 1965) and there are only 2 returns for the pool. I would like to add directional jets to the returns but there are no threads on the return pipes. :o Any suggestions on how to deal with this problem? Thanks, Patricia

What's the best way for me to add the stuff to raise my CH to my plaster pool? How soon is it safe to swim in the pool after I add it? How soon is it safe to swim in the pool after adding muriatic acid to lower pH? I can't figure out why my pH keeps going through the roof. Any ideas? TC 8 FC...

So, I'm getting the water balanced but I have this other nagging problem that won't go away. Our backyard is adjacent to a Nature Area. We get a LOT of debris in our pool from the trees and meadows behind us. Every time there's anything more than a slight breeze we get dust and leaves blown...

Opening the pool for the spring and have some numbers that are off. TC 7 (we're keeping it on the high side due to hx of black algae) FC 0 pH 8.2 TA 130 CH 160 CYA 40 Haven't needed to add acid and calcium before now and I'm not sure if it matters what order I do this in. Advice? 17,000 gal...

We have been trying to rid our pool of black algae for almost 3 months and I have hit the wall here. :( Part of the problem is that I let our FC level drop down below 20 after being told by several folks on here that it was OK to do so because our overnight FC loss had dropped to zero. Well...

We are currently fighting black algae in our white plaster pool. :grrrr: Have been shocking it at FC 35+ along with brushing with a SS brush. We've had some rain and it dropped our CH level a bit from 190 to 150. I'm not sure if I should increase the CH level or not. In the past on the board...

We have been having problems with the electrical part of our pump equipment and I'm trying to figure out if it's the time clock on the main pump or if it could be a problem with the pump itself or ??? We have 2 mechanical timers - one for the sweep and one for the main pump. The main pump was...

We have been trying to get rid of black algae in our white plaster pool since early September caused by having our CYA levels too high and FC levels too low for CYA level. Following the advice we got here we lowered our CYA level by draining and refilling the pool Then we shocked the pool very...

Me again. Still fighting this incredibly persistent black algae. Went back to shocking the pool when FC dropped after several nights of it staying OK. Had 2 nights with no FC loss so started dropping the FC again. Still brushing daily with SS brush. Last night I had a 5 ppm loss of FC! ARGH...

Been fighting black algae for a while. Started letting our FC levels drop after we had several nights with no FC loss at FC shock levels. Finally was able to afford the test kit with CYA test and discovered our CYA level was 100, not 50 like the pool store said. Today I did another partial...

We have been fighting black algae for 3 weeks. After I found this site I stopped listening to the pool store guys which helped a lot. Before then we had a CYA level of 250 which they said was OK. We partially drained our plaster pool and refilled. Next we did several days of shocking in the 35 -...

Been treating black algae in our plaster pool. Brought the FC level up to 35-40 ppm (all other levels OK after correcting CYA levels) and kept it at that level for 6 days with less than 2 ppm loss overnight every night. Started letting the FC level drop on it's own 3 days ago. CYA is 50. Day...

Back again for more advice. I have been running the pump on our 15,000 gal white plaster pool continously for about 8 days. I raised the FC to 35-40 ppm a week ago. Stopped losing more than 1-2 ppm FC overnight 5 days ago. Only losing 3-4 ppm during the day. We are brushing with SS brush at...

Thanks to the great advice I've gotten here (as opposed to the pool store) I feel like I finally have a reliable source of advice about managing our pool. So of course I'm back for more advice. :) We're fighting black algae in our white plaster pool. Have been shocking the pool with liquid...

Do the black spots (all very small spots in our pool) just disappear when the algae has been killed or does it stain the white plaster making it hard to know if it's really gone? Patricia 15,000 IG White Plaster Jet Vac Sweep Cart Filter new pumps FC 75 (got a little carried away with the...

I am still working to rid our pool of black algae. I have a small SS brush and went to the pool store to buy a big one. The only large one this particular store carries is a combination SS and nylon brush. It is more rounded at the ends than the SS brushes Leslie's carries. It looks like it...

Our white plaster pool (newly re-plastered May 2007) has developed black algae and I have been fighting it for more than a week only to have it slowly but surely progress. I just found your board today and hope you can give me advice I can count on. Every time I go to the local Leslie's I get...