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Am I the only person that struggles when testing my CYA? I'm using a TF-100 kit. It says to keep filling the C.A. View Tube until you can no longer see the black dot in the bottom of the tube. Sounds easy peasy until I actually try to do it. It says to hold it at waist level, but is that just to...

I just went out & checked it again, & the PSI has gone up exactly one. Yay!!! Now, am I understanding right, that I need to replace the DE each time I backwash? How much of an PSI increase do you allow in your filter before you backwash?

My CYA is looking good! Have questions about adding the D.E. I followed the directions found at the TFP. 1/4 cup incremints, looking for an increase of 1 PSI. I have added a total of 2 cups of D.E. & have yet to see a PSI increase. I have been waiting & watching. I didn't want to add more...

Thanks! Per your suggestion, I read up on adding DE to the sand filter. Based on everything I read, I think I am definitely going to give it a try! Waiting until tomorrow morning so I can monitor it carefully.

Thanks for sticking with me guys! Sorry if my questions are wordy... :) Water is continuing to improve gradually. Now seeing a FC drop of about 1.5 over the course of 3-4 hours. I finally got a supply of CYA (stabilizer), so I am ready to address this issue now. Question #1 Tested the CYA...

My reagents are less than a year old, and I think I've taken good care of them. So, they should be good. Okay, I did as you recommended. Here is a rundown of what the day looked like. 8:30 am - Brought it back to shock level (10 based on PoolMath tool), & brushed the pool. 9:30 - FC = 9...

Okay, when I tested my water this morning, the FC had finally dropped some. It dropped from 10 to 7. Hoping that means my regents are not bad...

I bought them towards the end of last season. Would they go bad that quickly?

I had alot of algae (and tadpoles), when I opened the pool. So, it is not clear yet, but the green has faded significantly. After I tested it this last time, and saw the green had faded quite a bit, I brushed the pool well. I am still testing every 30 min, and am due to test again in about 10 min.

I am opening my pool and began the big "Slam" session today. My CYA was 30 & PH was 7.3, so I added the amount of bleach required to reach shock level. Then I tested the FC level after 30 minutes and it had not changed. So, I waited another 30 minutes, and again, the FC level had not dropped...

Okay! Thank you so much for the help!

I rewashed everything and retested it to be sure!

I know! I did not expect those results. Before we left: CYA was right at 70 FC - 4 pH - 7.3 I did find out that we got a pretty monstrous rain while we were gone. Several inches. Could that have played a part?

Sure! I use the TF-100 test kit. CC = .5

Hey guys! I sought advice here on how to open and balance my pool at the beginning of the summer. I followed your excellent advice and got my pool in fabulous shape! Since then, it has done wonderfully with regular minimal maintenance. That is until now. We just returned from a 5 day trip...

Ok, I added bleach & got my chlorine up to 6. I also added boric acid & ph is 7.2. I also took my swg apart & soaked it in vinegar. Now, no alarms are going off & we think we see little bubbles like it may be fizzing.

I have been slamming my pool and it is now beautifully clean and algae-free. But, where do I go from here? Here is my situation. I realized that I do not think my swg is working. I do not know how to test it to be 100% sure, but I think it is broken. So, I guess I will have to chlorinate...

It reads zero when off, but never raises more than a tiny amount. It has never gotten up into the "warning" level, even when I've been slamming it.

I have the Intex Krystal Clear Sand Filter. I never see fluctuations on my pressure gauge. Does this mean I am doing something wrong or there is something wrong with the filter?

Ok, so I keep it at shock level continuously until the pool is clear unless I get a better test kit.

Ok, so where to I go from here "shocking" wise. I did the bleach regiment yesterday and today. Do I need to still be keeping it at shock level? Visibly, there is a remarkable improvement. The water is barely cloudy, to the naked eye.

I remembered one other question. A local pool person told me that I should add diatomaceous earth to my sand filter bc it would greatly increase its effectiveness. He said to just run it into the filter through the skimmer. I had never heard of this & wanted your opinion.

Yes, that is the only test kit I could get me hands on without having to order. I will definitely look at getting a better test kit or adding the chlorine test you mentioned. I am feeling very optimistic though! I have gone through the turning your green swamp back into an oasis process &...

OK. Thank you for your help & patience. I lowered my pH to 7.9. My CYA is reading at 50, BR 1, TA 90, but I am still reading zero Chlorine. I was told that I needed to do a "major" bleach treatment. How much bleach should I use & on what schedule should I dispense it?

I'm back. I got the only 6 way drop test kit I could get in my area. It doesn't, however, test the borate level. So, what should I do about that? My current readings are: FC .5 PH 8.2 TA 100 CYA 35 And according to the directions on the kit, my TH level is 30?

Hi guys. I need some help adjusting my levels. Last year things went pretty smoothly but I'm having to do more adjustments this year & could use some advice. I have an 18'x52" above ground pool with a SWG & sand filter system. My water is bright green & cloudy. Here are my most current...