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Thanks. Is it proper to add it right in the skimmer?

My SWG has malfunctioned and while I'm waiting to get it fixed (which may be a week or two), I need to add chlorine to my pool. I have some liquid chlorine and I also have some 3.5 inch Trichlor tablets. If I add a 3.5 inch tablet to my pool (which is 40000 gallons), how much chlorine would...

I just realized I made a mistake in my original post. I closed my pool on October 22-not November 22.

I check the FC every six weeks and will add liquid chlorine as the weather warms in March. But one year my PH got so high (or maybe my CSI got out of whack) that my pool walls became like sandpaper. Nobody notices but me but it still bothers me. That’s why I am worried about my PH rising too...

No I did not add Polyquat 60. I’ve actually never done that.

I closed my pool on November 22. My PH was 7.5, FC 12.0 (I had poured liquid chlorine to raise it a day or two earlier), CC .5; TA 90, CH 225; CYA (forgot to heck) I just checked my pool and in the deep end the PH was 8.2 (which is normal because it always rises in the winter); FC 2.0; TA 80...

I always compare my results with the new chemicals each year to the results with the old ones. This year I noticed that my calcium hardness test with the new chemicals was 275 and the CH with the old chemicals was 200-225. I repeated the test by using some of the old chemicals and some of the...

I use the meter you asked about and I like it

I got the same thing on my pool after my first or second winter. I didn’t realize that I needed to test and maintain the Ph during the winter. That should probably be emphasized in Pool School. For me it was over the sides of the pool and some of the benches. The bottom of the pool is fine...

I use it and find it very accurate. I rinse with distilled water and check calibration with a standard 7.0 solution. Takes about Thirty seconds to do. I also use the colors.

Thanks. I’ve opened the pool earlier each year but then the pollen clogs the skimmers and I am cleaning it out three times a day. I was trying to avoid that hassle this year but the tree pollen will probably be falling later this year and I’ll probably have to deal with it anyway. I was...

Thanks for the info. I appreciate it

Thanks I didn’t know if the inert ingredients was bad. It looks like this.

I'm not opening my pool for a couple of weeks so wanted to add some Chlorine to make sure there is no algae when I open it. Rather than look for the correct bleach (last time I had trouble finding it at my supermarket), I stopped by Leslies and asked for Liquid Chlorine. They sold me...

I use the $15 dollar one sold on tfttestkits and a sample test solution that is a standard 7.0. It has been great and very easy to use.

Most of us always order from tftestkits as it indirectly supports this site (where we get a lot of free and invaluable information). In addition, if anything goes wrong with your regents I doubt you will get the same customer support you would from tftestkits.

On a recent thread I also mentioned that the Speedstir cylinder was off.

I filled up my cylinders from the TFT test kit to 10 ml and poured it into two other cylinders (not related to test kits) and it was in deed 10 ml. But when I poured it into the cylinder that came with my speedstir it was less than 10 ml. I am not going to use that speed stir cylinder any longer.

There is a cheap better way. You can buy the acid demand regent ( which costs about three dollars) and add a drop to the ph test of the tft100. The drop will lower the PH and usually the color is much easier to read. I usually add a drop or two until the color turns orange and I can read it as...

Just out of curiosity would more drops of R0008 make the TA higher or lower

Thanks. I just emailed you OTPIRATE.

My R0008 bottle (which turns the sample green) was having trouble getting the drops out, so I picked the opening with a fork to make it easier for the drops to come out. But now it seems like the drops may be a bit bigger. Would bigger drops of this regent have an affect on the TA test?

Ok, so if the answer is 170, then the advice from TFT Expert 257WbyMag (see link to thread CH WEIRDNESS in post number 15 above) is wrong. He said that "Your endpoint is just blue. Once you get to blue (not bluish purple), that's when you stop. There is no need to attempt to achieve a darker...

So correct me if I'm wrong but based on what you are saying Dave I think the TA in the first post of this thread would be 140. OT Pirate indicated it would be 170 and no one corrected that statement and I think that is what caused the confusion.

This is one of the threads where I thought it was said once you get blue you stop and ignore that future drops give you a darker blue. In case this paste doesn't work the thread was entitled "CH test weirdness" CH test weirdness SENT FROM MY IPHONE

Can the experts read the first post in this thread. From Prior threads I understood that the TA in the example from the first post would be 140 because once it turns red you were not concerned with the degree of the redness. However, in the above posts you seem to be saying that you agree the...

Thanks. I'm getting the acid demand drops as a backup to reading the ph color. If I'm not sure what color my ph is at I am hoping that by adding acid demand I will be at a color I can see more easily and then back into what my original PH was

Thanks joyful noise, I ordered the regent online cause tft didn't seem to carry that one. Can you point me to a chart that shows how to read the regent when used with my TFT ph test kit?

Thanks. But The PH test that comes with the TF100 isn't 44 ml. Probably less than 10 ml. So where do you buy the one with 44 ml?

Just to clarify. Can we use the r0005 acid demand test for the PH test that comes in the TF 100?