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I have had this liner 3 years. I have used BBB for 11 years. As you can see from the pic my liner is fading pretty bad. Is this normal using BBB? Or am i doing something wrong? With full sun 9 hours a day my cya is 40-50 and FC remains 6-8.

So my 3/4 hp motor just went bad yesterday. I had a new 1hp motor and impeller in the wings just waiting for this moment. I replaced the motor and impeller and the seals. My psi has always been around 15. Now its 20. Is this a concern? Would i expect more psi from a slightly bigger pump? The...

I went to our neighborhood pool and they post the chlorine level daily. It said 2 in the AM. This is a huge pool with a high bather load. And it looks like that is about normal for a commercial pool (1-3) according to the internet. My question is how the heck with the sun all day is that enough...

This year i have noticed these black brittle flakes on the bottom of my pool. I am fairly certain that it is from my equipment. Has anyone ever seen this? My pump is working and been running non-stop but sounds different. Could it be that the plastic impeller is coming apart? Not sure what to...

I closed my pool normal last October. Free cl between 25-30. Now i have a swamp. Throughout the pool season i run my chlorine level between 6-8 bc i have no trees and the sun chews up 2-3 ppm per day sometimes 4. This is the worst opening i have seen since using bbb. Also my 2 year old vinyl...

Just opened my pool with algae on the steps. The water was clear. Test results: 0 FC 7.8 ph 0 cya 50 alk I added 3 bottles (121oz ea) of 6% bleach, 1lb stabilizer and 1 bag of dichlor. With filter and brushing it became crystal clear in 24 hours. When I closed the pool I had FC at 25 and closed...

Ready to close. Temp has dropped. Tested yesterday at 0930 FC 6.5 CYA 40. Added 1 bottle of 8.25% bleach which should add 8 FC. I tested at 1800 and got FC 11. Clearly needed an OCLT and got FC 8.5 this AM, which is a fail. I have not had a single problem all year and the FC has not dipped below...

I am getting ready to close the pool, and have drained the water past the skimmer. I have about a 6in dark scum line around 3/4 of the pool above the initial waterline. I have read that magic eraser is good to use. I have bumped up my chlorine level to 11ppm to prepare for closing. Any thoughts...

Ok so on Saturday the family is headed on vacation until the following Saturday. My pool chews through about 3-3.5ppm chlorine per day from sun exposure and occasional bathers. So for 7 days I should add 21-25ppm above minimum of 4. So 30ppm total on saturday morning? My CYA is 50. Will it...

So I have been using BBB method for several years. I'm still learning btw. And I feel as tough my pH is like a yo-yo. Friday I tested and ph was 8.0 and alk was 60. I added acid to bring to 7.0-7.2. Then I thought alk should be around 100, so I added baking soda to bring that up. I figured the...

About 5 days ago I noticed a few baseball sized spots of yellowish stuff on the hill of my pool and a line of it on the crest of the hill. I assume this was mustard algae. At one point last week I had let my FC down to 2 which is below min. I brushed it up and got FC to 13-15 to host a party...

I'm leaving Saturday for a vacation and will not be back home for 6 days. I'm just wondering how to approach this. My cya is 30-40. I used bleach to chlorinate but will not have anyone here to do so while I'm gone. I'm thinking that I should bring up to shock level for my cya just before...

This morning (715am) FC 15.5 CC 0.5 Cya 40 pH 7.5 Alk 110 This afternoon (4pm) FC 8 CC 0.5 Cya pH alk same. My pool gets sun almost the whole day. Is this normal FC loss for a day with my cya or could something nasty be in the water? I am planning on an OCLT soon (prob Tuesday). I'm am almost...

My pool has been burning through some chlorine the last two days and the deep end was a touch cloudy, so I did the OCLT test last night and lost 1-1.5 FC. So I figured I should start a SLAM. I tested this afternoon FC 3.5 CC 0.5 Cya 50 Alk 110 pH 7.5 According to cya I needed to bring up to 20...

Could someone please help me out determining the best most accurate way to find out the cya level? I have a Taylor 2005 test kit. The cya markings go from 30-100. The way I have been doing the test seems extremely subjective. I mean the disappearing little black dot? I can't tell if I see it or...

I'm currently filling up my pool with all new water. I did throw a single pick in my chlorinator yesterday. So I can assume cya is 6-7. I got some stabilizer and calculated with pool math that I should use approximately 2 lbs to bring cya up to 35ish. I set this up, is it right? Water level not...

Currently filling my pool that was emptied for a new liner. Cya should be zero. The filling will take another day, add some bleach this evening with no cya to ward off any algae growth or just wait til tomorrow and add cya via sock. There have been no chemicals added thus far and this is day 2...

So I just had a new liner put in today and currently filling it up with the hose. I assume the cya will be zero. I know that I should have around 35-45 ppm to protect my FC. I have some trichlor tablets, and 3 one lb bags of dichlor shock. Could I just use my tablets and shock to bring my cya...

OK so it's time to close down and here are my numbers: FC 17 pH 8 CYA ~40 Alk 50 The pH needs to be adjusted to 7.2-7.5 which I will do this evening by adding muriatic acid. From what I have read I should keep the FC at shock level for 2-3 days before closing which is the plan. Also read that...

Ok so I have read the closing an in ground pool thread and also have read some other threads on closing my in ground pool, however I do have a few questions. The last two years I have opened to a nice green swamp, which has been quickly resolved thanks to this forum, but I am trying to avoid...

Ok so I have had my pool open for a few months now.....the pool light does not work. I had a bad algae problem when opening this year. I have just left it alone and maintained the pool. From what I have been reading, I should clean behind the light fixture and make sure there is no algae behind...

I am sure that this question has been asked before but with the holiday weekend in full swing I wanted to make sure as I am entertaining guests this afternoon : What are the safe levels of FC to swim? If not a safety issue....what would be okay for swimmer comfort without bleaching a suit. Test...

Ok I have a simple and probably a stupid question. How does everyone measure the amount of liquid bleach you are putting in the pool? If I put in 1 jug....that's easily measurable, however If I am doing an OCLT and SLAM....I need to measure after the sun goes down and figure out how much to...

Ok. I opened my pool to a lovely green algae habitat. I brushed, vacuumed, and SLAMMED my way to a beautiful clear pool. I went on vacation for 8 days, brought up to shock level, added 5x3" tabs to chlorinator and came back to a clear pool but FC was around 3. My CYA is 50-55. I brought the FC...

Is it possible for a pool that gets sunshine from 7am - 7pm to lose 5 ppm FC in one day just due to sun burn off? CYA is currently at 60.

Ok. Pool has been open for several weeks. All the numbers are within range. Last test: FC 6 CC 0 Alk 90 CYA 50 pH 7.4 I am going on vacation for 8 days. What is the best method to use to chlorinate the pool? I thought about using 3" tabs in my chlorinator on low to med. Any thoughts? I know...

So I have opened my pool for the year and regulated my numbers, but I have a few quick questions. First off, do I need to use the DPD-FAS test for every chlorine reading? I have the regular chlorine test, is that sufficient enough for general chlorine guidelines or should I be using DPD powder...

My pool has been open for a few weeks and looks really good. Numbers are solid. The temperature is still really cold and we will not be swimming for a while. Should I just keep the FC and pH at the target levels? CYA is around 50-55. I have been keeping the FC around 5-10. According to the CYA...

Ok so I opened my pool 2 days ago to find a quite lovely shade of green slime on the sides and bottom. I brushed as much as I could see. I added 16oz of 3% copper algaecide and ran the pump in recirculate for 18 hours. Pool is now mostly blue but very cloudy. I did my initial tests... FC no...

So this is the first full year of the BBB method. Pool has been crystal clear all year, no complaints there. I test the water about every other day. The pH always reads 8.0 or higher and the chlorine reads low or non existent. I add clorox bleach to get the chlorine up between 3-5ppm and...