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it's algae that builds a "shell" and attaches to all surfaces under the water line. It's crazy weird. the only way to diagnose is to get scrapings of the "shell" in a glass jar, add distilled vinegar and wait until the foaming stops. If it's sand algae, you'll see a coating of very healthy green...

This turned out to be sand algae. It's a new problem in my area. If you look at my numbers in the beginning of this post, yup 4 years ago when it started, you'll see the numbers were within range of good. This type of algae builds a shell from calcium, even if it's on the low side. I never got...

Re: Summerville SC says "HI" Hi and Thanks! Has anyone here had a problem with sand algae? I haven't found a thread yet. - - - Updated - - - Thank you Richard320, just added that to my favs.

Hi Everyone! It's been a very long time since I've posted anything, so reintroduction only seems appropriate. I love this site and the information available from all the great people here. I have been using the pool calculator every swim season without fail. Ya'll are awesome!:lovetfp:

I vote crank. I had the pully and I'm kind of short. 5' 3". I could get the pin set in if I streached and tippy toed but if the wind picked up quickly I had a difficult time getting the umbrella down fast!! Ours was anchored to the wood deck. It has been replaced with a crank . :party: The...

Up-date.. 11:25 pm. est. Things are looking much better. After 22 hours of adjusting the chlorine to keep it at shock, it has finally stayed at 19 since 4 pm this afternoon. The scaling is starting to lighten up and the "dust" on the pool bottom has turned from white to brown. I've been sweeping...

Do I need to worry about my PH going up (7.8) while I'm holding my shock at 19ppm?? or is it just because of the high chlorine?

:) Thanks!! I've dropped the ph to 7.2 with MA.. brought the CYA up to apx 30. Got the chlorine up to mustard shock. 19ppm. and i'm losing 10 ppm per hour. I started the shock at 6pm and it's 10pm now. Dang!! The water looks so clear! I have NO idea what got in the pool... but it's gotta be...

Thanks duraleigh, It seemed as though the probem only got worse as I was trying to clean and figure it out this last week. We've had 3-4 downpour thunderstorms these past few weeks.that put enough water in the pool to make it RUN OVER! and I'm not talking about just the skimmer throat...

Thanks for the quick replies! My PH, it's a 3 drop acid requirement to get it to 7.2. as low as the test will measure. so isn't the test about correct? Will the 1/2 to 1/2 test work on PH?

Here are the photos.. White lines show direction of water flow. ][/img] Down side of pool to bottom. Darker stripes to the right are where I scrubbed the liner. The center of the pool shows spots where I scrubbed it like crazy. If I brush this pool any harder I'm gonna have arms like Arnold...

I'll post a photo a.s.a.p. This white hard stuff showed up all over the bottom of the pool very quickly. It won't come off unless you literally pick it off and the pool wouldn't hold chlorine over night, even at 15ppm shock levels. I'm finding it quite interesting that I have a chlorine reading...

HI Everyone!! It's been quite a while since I had to ask any questions but it seems I have a hideous calcium problem. Long story short... I let "others" tend to the pool. :hammer: I'm in the process of refilling after draining out 3/4 of the pool so I don't have a CYA reading as I'll just have...

Hi Swimgirl I'm aware of the calcium raise and have a reading of 100 right now. We have been getting alot of rain from "Fay" and our regular seasonal downpours so I'm not too worried about the calcium raising too fast. I've been having to drain or use the extra water for vacuuming to waste and...

Thanks for clearing that up for me. I just purchased 100# at a very low price because the bottled bleach in our area has gone up in price. Lg bottle 6%(182 oz.) about $3.50. Thanks again.

is Calcium Hypochlorite the same thing as the Cal-Hypo listed on the Pool Calculator?

Thanks JasonLion, Have only dealt with a one time downpour and that was the end of last season. Will add more bleach before the rains come. Won't hurt anything if it's a blow-by. Just wasn't sure if this was gonna totally mess up the pool.

Congrats!! hope I too can have numbers like yours but alas, I have opened my containers of "pool asprin" and trichlor shock and need to pawn them off on some unsuspecting E-Bayer or yard sale them. Hope all stays well with you and remember..."5 min. a day to keep ahead of your pool." (quote not...

It's 11:10 Here in Charleston and we are under a Tropical Storm warning. What should I do about my pool if we get the possible 4-6 inches of rain, 30 mph wind etc... First time dealing with this for me. An suggestions ??

I don't know about your experience with acid but mine "smokes" as I pour it into my measure cup..Bleach can burn my hands a bit so "burn + smoke = poof " let one dissipate before adding another. Just my humble opinion. Charleston Dawn

Thanks for the order. I read the "tacky" in POOL SCHOOL about lowering TA and it didn't say anything about chlorine. I will keep you posted if ya'll are interested.. Thanks again you are all great!!

what should be done first. chlorine or MA?? I know i need to wait at least an hour between the two but if chlorine is going to raise PH + TA then should I add the Bleach, take a reading, Add the MA, take a reading, check FC?? Or not worry about the FC for now??

My readings only went up after i added the bleach, this is what has me stumped. I took a reading after it rained and thats the second set of numbers. Will bleach raise my numbers that quickly??

Hi Everyone!! I've been working on lowering my TA and trying to keep my chlorine up too. my numbers yesterday were, fc 4 TC 4 PH 8.0 TA 170 CH 20 cya 55 I added the recomended MA to get the ph down to 7.0-7.2 this morning (MA hard to find around here) so then my numbers were FC .5 TC.5 PH 7.2 TA...

:-D Thank you for the prompt reply Jasonlion, and you are correct about the FC level, I was keeping it about 3 (suggested safe level on cheesy OCO/PH test chart :hammer: ) but have noticed on pool calc that I should keep it higher. Will shock to 16 and keep it there until problem is resolved...

Hi All, Thank you all for the information in these Forums! I have a algae problem that I just can't get a grip on. I've read and tested and learned that this can be quite a balancing act in the beginning of the season. We had a 'pea soup" pool from the winter so the entire pool was drained...

Hi All, Live in Summerville, SC. :-D 5 kids,4 grands, 3 dogs, 1 cat. Some don't swim and some do. We put up a really big pool last summer. Above ground, vinyl, sand filter, 45x18x4.5. Took 3 weeks to prepare the site,5 days to fill it up. Love,Love Love this pool! We live in the country...

Hi All!! Found the link on Poolforum. Like many here, I could not register to ask specific questions. I've been lucky to find most answers I needed last year. This is my first pool opening and I may need to ask questions...