You can also use aragonite sand mixed with your pool filter sand, it is basically crushed coral and other marine animal skeletons ground into sand.
It can also be used in fluidized bed filters, turning them into buffering reactors.
It does have the tendency to turn the water slightly milky until buffering/pH equilibrium is established.
It can also be used in fluidized bed filters, turning them into buffering reactors.
It does have the tendency to turn the water slightly milky until buffering/pH equilibrium is established.