There are a number of alk raising. Even baking soda not baking powder will raise your alk. You can not raise alk quickly or it will shock your tank. How much you add depends on how large your system is, including sump. It must be done slowly. So follow instructions.
I use hanna tester there is no guess work with colors. Just a number on the screen. Ph and alk are two important things that can fluctuate daily. Dosing is important as well as water changes. A good system needs to be dosed every day using one of several methods. Two part, you have one of the two parts with alk, is the easiest way.
You should get a tester or kit asap. Since the three alk, cal and magnesium need to be balanced with each in order for corals to use the calcium for growth. I now use a kalk drip which adds top off water as well as cal and alk. But my coral demands for alk are greater than calcium so i have to also use a doser.
I use hanna tester there is no guess work with colors. Just a number on the screen. Ph and alk are two important things that can fluctuate daily. Dosing is important as well as water changes. A good system needs to be dosed every day using one of several methods. Two part, you have one of the two parts with alk, is the easiest way.
You should get a tester or kit asap. Since the three alk, cal and magnesium need to be balanced with each in order for corals to use the calcium for growth. I now use a kalk drip which adds top off water as well as cal and alk. But my coral demands for alk are greater than calcium so i have to also use a doser.