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If you are not having any problems with turbidity, Ph bounce, foam, sanitizer readings then there is no reason to change it.
Rich, And don't forget to use it on the underside of the cover, too.8-)
The tub and the water are @ 4 months. Water is clear, no foam, etc. How long can you (should you) keep the water if you are not having any issues?txwillie
I always leave the top off even when I do a maintenence dose, but I am still seeing some lightening of the color of the underside of the cover and the pillows.Thanks!
...His wife says he often puts the hose in to top off the tub and forgets it, so it spills over. I just can't imagine. He also claims that his tub very rarely gets cloudy. I know that they don't wear suits, and shower before they go in (I asked his routine), but 5 years with only 3 changes???I am amazed! He thinks I am nuts for changing at 3-4 months...but I also love that clean water feeling....Like fresh bed sheets dried on the clothes line...