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I have had this happen twice now. I raise my chlorine to 9 and it drops very quickly to 7-7.5 (with in a day) and then holds at 7-7.5 for 3-4 days with no additional chlorine added. I readd chlorine when it gets to 6-6.5. No overnight loss. I raise it to 9 because that is the upper side of the...

Is there a number for the 50ppm cya standard test? That maybe my issue. I don't have the confidence that I am measuring it right. It seems like there could be a lot of variables that impact the test. I struggled last summer too, but were working on getting the cya down and I knew it was quite...

Is there a more accurate way to test cya? I really struggle with the cya test. I can get big range in the test with my Taylor test kit. I make sure I mix for 30 seconds, have my back to the sun, I am holding it at my waist, glance away to insure my eyes are not seeing an imaginary dot. I can...

I store mine in the garage during the summer away from sunlight. Typically when the temps do not drop below 60 outside at night is when I move it out there. We are in Michigan so days typically don't go above 90 degrees and once it hits mid 80s we keep the garage closed up to keep it cooler in...

Thank you. I went to a local pool store to buy one this time and they only carry 8 mil in store so we went with that.

We just opened our pool. I checked the expiration dates on all my Reagents and they all show a date of late 2025 (after pool season is done) or 2026 before expiring. I kept them in the house over the winter. They should all be good still for this year correct?

I need a solar cover this year. I have always done blue and we have to replace them about every 2-3 years. Is there any noticable difference between the 3 year warranty covers and the 7 year warranty covers? I am looking at the Dohney website if that makes a difference. That was the last place I...

Thank you. We did on Sunday.

We are closing our pool. Before we started the slam process we dropped our ph to 7.4 since we had to add 2 gallons of liquid chlorine. I completed the SLAM process and have tested all my levels except ph because the chlorine is higher than 10ppm. Is there a way to test it with a diluted sample...

I want to thank you for all the help while I learned how to do the trouble free method. I am happy to report that this is the first year I did not fight pink slim in the pool. I did accidentally let my chlorine levels drop a little too low for my cya levels once this summer and had a small...

How long does unopened chlorine hold its potency? I store in my garage and it doesn't hit freezing temps in there, but it does get very cold.

My pool temp is 68-70* I am running low on liquid chlorine and really don't want to purchase more before closing because by me we can only buy the liquid pool shock in quantities of 4 gallons and only the pool store has them available for the next week before they close. They also charge $10...

I do have to ask though. Why would I need to slam if I see dead algae on the bottom?

Thanks. I didn't remove the solar cover yet (it was only 70* here today and I am trying to hold my 80* water) I only flipped it back to get my sample. So I will check the bottom tomorrow.

I had no over night loss this time. Both last night and this morning are at 15 ppm. I am assuming the full slam procedure is not necessary?

We are back the water is still clear. The solar cover is still on so I can't see the full bottom, but from what I did see it just looks like dirt. I put enough liquid chlorine to reach slam levels before we left. Not sure how high it actually got. I tested after 30 mins of circulating and I...

They are unstabilized tablets, not sure of the brand, but truthfully they are stabilized with calcium so instead of raising your cya you are raising you calcium which can be problematic as well and I have read on here that the only way to remove calcium is to do a water exchange like you would...

We switched to the trouble free pool methods this year. The high cya is from us using stabilized tablets for 3 years and powder shock. We estimate it was over 200ppm before doing multiple partial drains last fall and it started this season out well over 100 close to 200 before draining half the...

Thanks. We used to use tablets all the time. (The reason for my high cya we estimate it was over 200). I am not a fan of the unstabilized tablets in my skimmer at all. They gum up the basket so they will gum up the hoses too. I hated the floater because there was always little chunks of of the...

Typically if we leave I throw some " unstabilized" tablets in the pool and my 18 year old will check the skimmer and add another tablet if needed. Should I still have tablets floating in there? My 18 year will not mess with the pool beyond throwing tablets in.

I had a 3ppm overnight chlorine loss. Water is clear though. We are leaving today for 4 days. Any suggestions so we don't come home to green pool? On top of it is supposed to rain 3 of the days we will be gone. We don't have time to do the slam process and I am kind of worried to do slam process...

Thank you. I am so glad I found trouble free pool and everyone has been so helpful as I learn. I have spent many hours reading articles and forums to understand the chemistry better. So far I have no signs of the pink slim I was getting every year by the end of July. The pool store told me I...

I am using liquid chlorine, but occasionally use Non-Sabilized tablets when we go on vacation. (Liner pool and my calcium hardness is only at 70 so not concerned about calcium from occasional use) I also have stabilized tablets that are over a year old already. (Bio guard so they have other...

In Michigan we have peak hours from 2-7pm that the electric company charges almost twice as much for energy use. Would it be a problem to shut my pump off during those hours if I am still running 8-12 hours a day? My timer is from 9am-10pm right now. Originally I had it shut off at 9pm but I...

I should run the pump 30 mins in the morning before testing? My pump was not running yet.

My level this morning is 7.5ppm for chlorine however we did get at least a half inch of rain last night so I am thinking I need to redo the overnight test again when we don't get rain. I am debating on adding more chlorine this morning closer to the time of when my pump would normally turns on.

I definitely hit 9ppm when I just retested after my add.

Thank you. I hear more thunder so the over night test will have to wait another night. I am hoping it is just from the storms and not algae. However the past 3 years I have gotten pink slim around the end of July or a couple weeks into August. That problem lead me here so hoping to avoid that...