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Hi Vinny, I bought my tub used, so I don't have a warranty. I know to raise ph AND alk...I can use Baking soda. For just the Ph...I could use Soda ash. What is Borax for? I have 20 mule team Borax here....but it's not soda ash, is it?
If you REALLY want to get adventurous give bleach a try! I had a discussion about bleach, stabilizer (CYA) and the killing effects with higher CYA and some one there who seems to know a lot about chemistry gave me a lesson where the lessons of Vermonter were left off. But that's another discussion.
I keep a low level of free chlorine with an 8 inch trichlor puck in a feeder in the pool and suppliment with bleach or liquid chlorine a couple of times a week. I use dichlor after soaking in my spa and bleach or liquid chlorine when I want to bring the free chlorine up to give a good sanitizing or when I want to raise pH.
No No Vinny.....do NOT confuse me more by suggesting bleach!!! Ok...just so I get this correct....20 Mule team borax to increase Ph.Baking Soda to increase Ph and Alk.Soda Ash also to increase Ph and Alk.What just increases Alk?
Everything you mention is correct, don't forget washing soda for PH and alkalinity increasing too.NOTHING!!! Baking soda in a pool only raises the alkalinity, but it raises both in a spa.I think the thing to do is lower both PH and alkalinity with acid and then raise it with baking soda ... but I don't know.Ok...Thanks Vinny. I would have just used my borax had I known this...I appreciate the info!