Liquid Chlorine Is Brown On Bottom

[dBsooner]

I’m confused as to what this could be. I had 4 bottles of 10% LC leftover from last fall. They were made in September 2023 (so 7 months old). They’ve been sealed with the seal and vent cap. From the moment I opened these, there is this brown “dirt” looking stuff at the bottom. You can “shake it up” and it will just turn the sodium hypochlorite solution a dark amber / brown color instead of the usual light yellowish green color. What is this? It seems to be slightly less potent than expected. This is from Atwood’s and is brand named “online pool shock”. I don’t remember it being like this before.

Thoughts?

 

[YippeeSkippy]

Check out Post #6 in this thread- **BUT take note that this is many years old when it was easy to use bleach as Liquid Chlorine and now we don't because too many additives have been added to almost all the brands of bleach, like "good ole Clorox" used to be to trust it blindly anymore. Stronger Liquid Chlorine (usually 10-12%) is what we recommend.

Impurities in Bleach - should I worry about it?

I am a newbie to pools. I have read up on the BBB method and am excited to use it. I was talking with my hubby yesterday about all that I have learned and he was concerned about the impurities in cheaper bleaches. He said he had heard of lots of iron in cheaper bleaches. Is this something I...

www.troublefreepool.com

 

[dBsooner]

Check out Post #6 in this thread- **BUT take note that this is many years old when it was easy to use bleach as Liquid Chlorine and now we don't because too many additives have been added to almost all the brands of bleach, like "good ole Clorox" used to be to trust it blindly anymore. Stronger Liquid Chlorine (usually 10-12%) is what we recommend.

Impurities in Bleach - should I worry about it?

I am a newbie to pools. I have read up on the BBB method and am excited to use it. I was talking with my hubby yesterday about all that I have learned and he was concerned about the impurities in cheaper bleaches. He said he had heard of lots of iron in cheaper bleaches. Is this something I...

www.troublefreepool.com

Thanks @YippeeSkippy for the reply. I tried searching for another thread on the topic. I guess I didn’t think of the brown stuff as “impurities”. But I guess that’s exactly what it could be.

I suppose I should toss out the last of this bottle. (It’s the 4th of 4 bottles I had leftover from buying them in October/November with a Sept manuf date). I’ll open up a couple of the new bottles I bought last week that have a Feb 2024 date. If they present the same characteristics, guess I’ll return them to Atwood’s and go back to Walmart. I was really hoping the Atwood’s stuff was good. It’s 3.99 as opposed to 5.67 at Walmart. Both 10%. But if this brown stuff is metal and I’m introducing the metal into the water, I definitely don’t want that. That’s a bummer. 1.68 off per gallon isn’t small change over the course of a season. But would be negated rapidly by cost of metal issues or drain and replace.

I know others have used Atwood’s and I thought I’ve read it somewhere it was even a recommended brand at one time. But I may have dreamt the last part. I do know I’ve seen several threads about Atwood’s 10% LC.

 

[dBsooner]

Anyone else experience this with Atwood’s 10% sodium hypochlorite?