Dosing Questions

[Eb0la11]

Ok so I am going to dose in some Baking Soda to raise my Kh closer to 130 ppm.

I ran those numbers into the calculator and it said I need to dose in about 5.4 teaspoons of the stuff, but that I shouldnt add it all at once.

How much do you think I should add tonight, keeping note of my other parameters, also keeping in mind that it will effect my pH?

Also, how exactly will it effect my pH? Will it raise it or lower it? How do I readjust it once it does get effected?