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Pool Math continues to amaze me. According to pool math, 7 7 oz tabs should increase my FC by 15 and my CYA by 8, but the variable is the breakdown rate. Texas, my in-line chlorinator (that cost me hundreds of dollars when I was using the Pool Store Method of Pool Care) would also leave tabs...

I'm getting ready to go on vacation and will be using pucks while I'm away. How much chlorine does a chlorinator add? I have purposely let my CYA fall from 40 to 30 in anticipation of having to use the pucks, and also need to know how much CYA each puck adds. I was thinking of leaving the...

I'm sure that no copper algaecide has been used, and we are on municipal water. The BB is copper though. I will try the vitamin C! Thanks!

Ok. I noticed a few very small spots on the bottom of the deep end of my pool that wouldn't come off. They are very small, probably less than penny size. I use no type of metal based algaecide etc. I couldn't figure out what had caused the problem...until I dove down to within an few inches...

I have a booster for the Polaris, and it does clean well. I think the problem may be that my patio is about 2,000 square feet, and we use a leaf blower to clean it....more dust than I think must be getting in the pool. I will change to an 8 hour cycle and see what happens. I doubt I need to...

I have a variable speed Pentair pump. If I'm understanding the literature correctly, the default setting is to run for 8 hours at high speed, and then run two 4 hour cycles at progressively lower speeds. However, my PB to me to set my timer on the breaker for 12 hours a day. Is this enough...

Thanks to all for the help! I conduct OCLT tonight and see what I come up with, and will check the light if it shows over 1 FC loss. I will review the DE instructions also. I haven't considered doing that yet.

Our backyard is dusty, but it just surprises me that I would get that much dust over the course of a day...but I am a new pool owner, so I have no reference point. I haven't performed OCLT since the SLAM, but if I'm only losing 2 FC over a whole sunny day, wouldn't basically be impossible to...

I joined TFP because of a mustard algae problem I had. I followed SLAM and cleared the problem. Water was clearer than I have ever seen it! Now I'm wondering if I have it again....it's been two or three weeks, and every time I brush the pool clouds of dust or algae come from the bottom and...

It's been one week since a light mustard algae problem finally made me embrace the TFPC method. Before: Last season my new pool was completed on July 2. The pool store instructed me to add 20 lbs of CYA, 2 lbs of shock once a week, algaecide weekly, and 25 oz of clarifier per week. This...

That actually answers another question I had too...I always find at least minute amounts of dust on the floor when i brush. I was hoping this was normal. Thanks Richard!

How often do I need to brush? Daily, weekly? Also, do I need to brush the bottom of the pool if I am running an Polaris 360?

I have a question about CC's... I performed the SLAM procedures a couple of days ago. As of last night: FC 9 CYA 40 CC 00 PH 7.5 TA 80 Tonight, all was the same except FC and CC's, which were 8 and .5 respectively. Are CC's a problem? Does this mean that I have...

How long does mustard algae live outside the pool?

I just bought some of the $2.50/gallon 10% chlorinating liquid from Wal Mart. How fast does this stuff lose strength? The date of manufacture on the ones I bought is February and March 2016, but the rest were in December 2015 so I was scared to buy.

Thanks to all! Thanks, Texas Splash...I misread the part about the regular SLAM followed by MA chlorine levels. I never intended to get chlorine higher than 24. I have measured my pool with a tape measure and I'm still calculating 25,000 gallons. Puzzling!

First time slammer here...at least the TFP way. I raised chlorine last night to 38 fc to rid pool of mild mustard algae (I must be overestimating gallonage of pool). After 2hours, reading was 34. 12 hours later at 27. After 24 hours, fc is 12 and cc is 0.5. I raised back to 24. I have...

Ok...that makes sense. Thanks for the help to all!

I did, but it did not address the CC's question. I would think that if my FC was 3.5 with mustard algae, then I should have some CC's. Is this correct?

Hello all, I had a very light case of mustard algae a couple of weeks ago that I treated with sodium bromide (before I started following TFP). My water has been clear for about two weeks. Last night I got home to a light green tint and what appears to be mustard algae on the bottom of the...

Yes, I see! What finally closed the deal for me was when the pool store guy told me that it was impossible to get an at home test to check CYA and CC. He said home kits only test PH and Total Chlorine.

Just wanted to double check my information...I'm still trying to unlearn everything the pool store taught me: The pool store told me that calcium is optional for vinyl pools, but adding calcium hardness increaser extends the life of the pool pump. If I'm understanding pool school and the TFP...

That answers my question. My pool gets constant sun, so I'm going to stick with 40! Thanks!

Is there an optimal CYA number that results in the clearest water at the lowest cost? For example, is it better to maintain CYA of 30 and the matching FC level, or move CYA to 40 and maintain a FC level that is higher? Is there an advantage either way? Thanks!

I figured as much but still wanted to check. Thanks!

Good morning! I have recently been converted to the TFPC method of pool maintenance. However, I have 100 pounds of cal hypo that I just bought that I am trying to find a way to use. Over the weekend, a friend and long time pool owner told me that if you pour the shock into a five gallon...

Tim, I think you're right!

150 ch

73% Cal Hypo...will check CH when I get home.

Great! Saves me some money! Uh oh though. I just bought 100 lbs of Cal Hypo last week...can I use this up before switching to bleach or is the calcium increase too big of a problem?