DarinC 0 Posted October 28, 2020 Report Share Posted October 28, 2020 Hello, I've decided to try the bleach method to control CYA levels, this seems to be the most recently active thread regarding the topic. The only bleach available in my local store is the "Concentrated Formula", which appears to be 7.5% bleach as opposed to 6%. It did mention on the label something to the effect of "makes clothes last longer", which concerned me a bit, since I don't know if that suggests some added ingredient that I wouldn't want in a tub, but I decided to try it. I am now experiencing a lot of foam. It goes away with the air off, but it's pretty significant with the air on. Is this an expected result with all bleach, or would this go away if I found the non-concentrated formula? Thanks! Quote Link to post Share on other sites
RDspaguy 629 Posted October 28, 2020 Report Share Posted October 28, 2020 Most store bought bleach these days has additives. Get pool chlorine. Quote Link to post Share on other sites
DarinC 0 Posted November 15, 2020 Report Share Posted November 15, 2020 Thanks, that's what I ended up doing. Turns out it's cheaper than household bleach anyway, and a little more convenient since it's more concentrated. Quote Link to post Share on other sites
mscdman 11 Posted February 3 Report Share Posted February 3 On 10/28/2020 at 8:45 AM, DarinC said: Hello, I've decided to try the bleach method to control CYA levels, this seems to be the most recently active thread regarding the topic. The only bleach available in my local store is the "Concentrated Formula", which appears to be 7.5% bleach as opposed to 6%. It did mention on the label something to the effect of "makes clothes last longer", which concerned me a bit, since I don't know if that suggests some added ingredient that I wouldn't want in a tub, but I decided to try it. I am now experiencing a lot of foam. It goes away with the air off, but it's pretty significant with the air on. Is this an expected result with all bleach, or would this go away if I found the non-concentrated formula? Thanks! I’ve been using the 7.5% bleach and not experienced any foam in my bromine spa thus far. Use the bleach to oxidize the bromide. Quote Link to post Share on other sites
mscdman 11 Posted February 18 Report Share Posted February 18 On 10/28/2020 at 8:51 AM, RDspaguy said: Most store bought bleach these days has additives. Get pool chlorine. What is the chemical name of pool chlorone? Quote Link to post Share on other sites
mscdman 11 Posted February 18 Report Share Posted February 18 On 10/28/2020 at 8:51 AM, RDspaguy said: Most store bought bleach these days has additives. Get pool chlorine. I’m curious about this. The “additives” in regular bleach are unknown sure but even pool chlorine seems to have them too. Here’s a photo. “Other ingredients” just like the bleach... plus this stuff is 8x more expensive than ordinary bleach from what I can tell I’d love to be proven wrong though and if there’s a product that is just sodium hypochlorite without extras let me know where it can be found as I’d look into it Quote Link to post Share on other sites
mscdman 11 Posted February 18 Report Share Posted February 18 I stand corrected. Walmart has pool chlorine 10% sodium hypochlorite for only 3.74.$. With the higher % concentration it IS cheaper than plain bleach. Not sure about additives. Either way no reason for me not to use this over the bleach Quote Link to post Share on other sites
RDspaguy 629 Posted February 19 Report Share Posted February 19 Pool chlorine is not going to have anything that might affect your spa. Laundry bleach may have a variety of different stuff in there, sometimes listed alongside hypochlorite sometimes not. I bought some cheap beach, not splashless or anything, just sodium hypochlorite listed, but it looked like I was doing dishes in my spa when I used it. Now I buy pool stuff only. Quote Link to post Share on other sites
Apollothesun 2 Posted Wednesday at 04:26 PM Report Share Posted Wednesday at 04:26 PM Any preference in brand for pool chlorine? Quote Link to post Share on other sites
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