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It has been several years since I’ve been on the TFP site, so apologies in advance if I’m posting this question in the wrong forum. Pool tile was replaced in fall 2020. A crack has developed directly above the waterline tile, pretty much all the way around the pool. I hope it’s visible in the...

Hello! Starting with a fresh fill following a waterline retile in October 2019. Pool was filled but not treated, then closed. Reopened today. Typically I start in the spring with a pool that just needs a SLAM and a little tweaking, then I'm good for the summer. However, this time I'm starting...

Just starting SLAM process. I've been on TFP for a few years so I think I know what I need to do, except for one question. Water temperature is 54 degrees. Will that affect the TA test result? I would have expected my result to be lower than the number I'm getting (brand new TF 100 test kit...

Hi All Noticed slightly cloudy water today. Most noticeable when I look from the deep end to the stairs at shallow end. Normally the water seems crystal clear when I do this but not today. Had an uneventful opening/SLAM process starting 5/1/14, resulting in crystal clear water, so didn't...

Good morning. Finally got some weather warm enough for swimming, so I attempted to start the heater. On my setup, the heater can be bypassed, or you can turn valves to have water flow through. When I let water flow through the heater today, water started leaking out pretty quickly from the...

I have been reading posts but couldn't find an answer to my exact questions: The weather here has been variable, to say the least. Pool water temp is right around 60. Was warmer than that a few days ago, so I turned on my ic60. From my reading, I see that the swg probably won't work well...

opened and started shock 5 days ago. I test the water with last season's tfp-100(stored appropriately over winter). new kit on the way. I followed tfp directions. The pool has cleared from murky turquoise to sparkling clear. Never saw any visible algae I tested the CYA 5 days ago, when the...

Thinking about purchasing a blue diamond pool cleaner for my 30,000 gal gunite pool. I appreciate the reviews I have read here - overall, people seem very happy with it. My question is: how does a robot pool cleaner compare to just manually brushing and vacc'ing the pool? I vac a few times...

I have had issues off and on this summer with my swg, but seemed to have them all resolved for the past few weeks. However, just noticed now that the swg seems to be having trouble again. On the cell: salt level light=flasing green (indicates high salt level) pwr status light=solid green cell...

From reading a lot of posts here on TFP, I see that green hair from swimming is caused by excess copper in the pool water. Only the blondest member of my family got a slight green tint to her hair, which fortunately came right out witha "malibu" treatment at a salon. I had the water tested at...

my apologies in advance to the moderator that drew the short straw and got stuck answering my question... background: Pool built and plastered in fall 2010. I started bbb in mid summer 2011. Pool winterized last fall, opened mid-April. I have shocked the pool 3 times since then. The first...

My pool hazed up slightly last night after a pool party, so I assumed that similar to another recent post, I had an increased biologic load in the pool, from the extra swimmers. I added 2 extra ppm last night to the usual dose of Cl, and the water looks better this morning. I can't even tell...

Hello! Just fine-tuning my water balance after (fingers crossed!) finishing up shocking my pool. Current numbers: Fc 9.0 cc 0 pH 7.6 TA. 150 salt 3600 CYA 60 CH. 210-220 I'd like to increase my CH to around 250. My tap water does not have high CH (=80ppm) so I don't expect to gain any CH from...

I know this has been asked many times, but I'm a little confused I have been shocking for 4 days, @ fc25-33 for CYA =60 The water is clear, cc never >.5, lost 1ppm overnight last night., ran test twice to be sure. with that overnight loss, am I done? Some people seem to say 1ppm or less, some...

I just drained 1 foot of pool water and refilled, due to putting too much salt in for my swg. Our city water is high in TA (260) and moderately high in CH. (170) new test results: (tf100) FC 6.5 cc=0 CYA 48 CH 220 ph 7.7 or 7.8 TA 150 salt - swg still averaging, but it was 4050 after...

still trying to get the trouble out of my trouble free pool... I think my issue is the same as Jeff74's, but I did not want to hijack his thread. My salt strips (new from tf kits this season) measure 3600, my swg (pentair ic40) measures 4500 on the diagnostic. I did 3 strips to be sure. I'm...

I have an ic40 swg, on the beginning of its second season. I took a look at the plates today, and I saw a tiny amount of scale on only one edge of one plate. Not enough to impede water flow around it. My pH was quite high when I opened in April, took about 24 hours to get it in range. The scale...

First, test results tf100 kit fc 3.5 cc 0 ph 7.8 ta 100 salt 3400 cya 62 ish ch 290 temp 70 pool is in 100% full sun all day. water is exceptionally sparkly! i have noticed over the past few days a 4 to 4.5 ppm cl loss during the day, even after I supplement the swcg with 12% liquid cl. I'm...

Hi! I'm a second year "TFPer" I'd appreciate if the pros could check my plan now that I have my pool running to catch me before I make a mistake! The pump has been running about 4 hours, pool builder checked everything out, added 1 gal 12.5% liquid chlorine. My #s (with tf100 kit) pH 8.2+ FC...

we will be opening in the next 2 weeks. I'd like to be ready to adjust the water balance, so I'm trying to figure out what supplies I need & about how much. I had a few questions, hopefully not repeating information covered in other posts, but I have been "lurking" and did not see some of...

My pool is getting closed today :cry: I just wanted to thank all the TFP moderators and all the other folks who have helped me maintain my pool this summer. I saved a lot of money and needless dumping of chemicals into my pool by using this site, but even more importantly I developed some much...

Getting ready to close soon. Water is in low 50's so I'm turning off the swg and will use liquid shock for Cl until close. Can I use older gallons of shock purchased in August or should I get new? I read in pool school that older bottles of Cl may be lower in concentration, but is there any...

Unfortunately, another new problem with my pool: ig gunite, built in fall 2010. Recently, I noticed the joint under the coping above the waterline tile cracked open about 1/8 to 1/4" around the perimeter of the pool between the deep end skimmer and the diving board. Coping sounds hollow when...

Yet another issue with my pool. This time my question is about 2 leaks i found by my equipment. I noticed about 1 month ago that there is a very slow drip coming from the bottom ?drain plug? Of my pentair tagelus sand filter. About 1 drip every few seconds. I noticed the other drip this am...

Need to increase TA and have some xtra chems to use up. I have sodium bicarb from the pool store (="alkalinity up") which i assume is the same as baking soda. But i also have a bag of a bioguard product that is called total alkalinity increaser. It says it. Contains 100% sodium hydrogen...

this will probably be long, sorry. and a little repetitive with my other posts. warning: I'm an extreme worrywart about my pool. the stats: 30,000 gal swcg pool. plastered fall 2010, then closed. opened June 2011, pool stored for June & July. TFP from Aug till now. TF-100 kit used daily...

1st season in new gunite/plaster pool. pool stored during June & July, TFP all of August. TA brought down in August from 170 to 90. Current numbers: FC 5.0 cc .5 TC 5.5 pH 7.7 TA 90 CH 350 CYA 60 I usually add 2 cups 3 oz 31% MA each night to bring pH down to 7.5. It always rises up to...

today's numbers: (TF-100) FC 5.0 cc .5 TC 5.5 pH 7.6 TA 100 CH 300 CYA 60 salt 3400 (ideal for my swg) water very clear my question: I have had a .5 cc every day for about 2-3 weeks. The only time it is 0 is when the FC is 6-7. This has been a consistent pattern for the last month. I planned...

I have read through pool school and have been using TFP suggestions for about 2 weeks. the pool has never looked better. I have a new (built fall '10, started up spring '11) plaster, SWG pool. What would be an ideal CSI to aim for?

see previous post "does adding CYA cause cloudiness" from earlier today the response I got "could it be calcium?" got me thinking - the landscapers were working in my yard today about 15-20 feet from my pool, sawing on concrete retaining wall blocks and dumping gravel. There was a lot of dust...