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Quote from: Topline Mike on May 29, 2014, 11:45:51 am I prefer a more accurate test kit. I read about test strips vs. a test kit on another forum, and that's where I got my information. Well there you have it....Read it on a public forum....Gotta be legit if its on the internet! LOL
I prefer a more accurate test kit. I read about test strips vs. a test kit on another forum, and that's where I got my information.
Quickbeam, just make sure you give the tub some time after adding chemicals like PH Down to fully take effect...Best to take a reading 12-24 hours after adding the Dry Acid to bring down the PH.
Thanks everyone for your replies.I know from experience that this same water in our house leaves calcium deposits. I can see it in tea kettles, etc.
Sanitizer may affect your readings if it's too high. I know your not using chlorine but too high chlorine will possibly bleach out the other readings. My advice would be check the readings before you add any large amounts of sanitizer. I am not personally familiar with sanitizing with peroxide so I can't say how it will affect readings.Adding "stuff" to the water will affect the PH. Most people add PH up if they need to raise their PH but I add baking soda. For some reason my tub's PH and not my pool reacts to the baking soda to raise PH. It was explained to m that it has to do with the tub's aeration and I could buy that IF it didn't raise it and keep it there right off the bat. It still may be the reason but I haven't been convinced. Typically baking soda is for raising alkalinity. The PH of hydrogen peroxide is between 1-5 depending on the concentration so it will consistently try to bring your PH down. I personally would start with a PH of 7.6 to 7.8 (within range but 7.8 is slightly high) and see how the PH goes once you start to add the peroxide. Alkalinity plays a role in locking in the PH so if you are on the high side of the range the PH will not drop quickly.So you get your water's chemistry "correct" and then you add peroxide. If all is good you shouldn't notice any drop in PH, you go into your new tub and have to add peroxide every night you go in (not sure if this is the scenario - it is with chlorine) and possibly after a couple of days the PH is starting to drop. Or you've been adding peroxide every day for 2 weeks and the PH is now starting to drop. You now know approximately how long it takes before the PH starts to lower.I don't know if Taylor makes a liquid peroxide test kit but if they do - go with it. I am partial to the liquid kits myself and once you get into the swing of things - it is very easy. I test pool and tub water over here and both take about 10 minutes total to do.