"pH Haven" is Havenmade's pH buffer that helps to stop pH drift in hot tubs.  The only safe chemical treatment for hot tubs and spas. (compare to pH Magic, which is a fine product.)

"I use this in my own spa.  It makes takeing care of the pH a breeze.   I only need to use Alkalininty up with this pH system to get the pH correct and it stays there for weeks."  Jim Arjuna

"pH Haven" is Havenmade's pH buffer that helps to stop pH drift in hot tubs.  The only safe chemical treatment for hot tubs and spas. (compare to pH Magic, which is a fine product.)