what is the best "calcium chloride" brand?

[fresh]

Hi all,

I am just about to start the journey of dosing calcium chloride and baking soda using the "homemade two part calcium and alkalinity additive system" link that Beverly pointed to here.

http://www.advancedaquarist.com/issu...l2004/chem.htm

I bought the arm-and-hammer baking soda, but I need to buy the calcium chloride, and I wanted to know if others have had any success with any given brands. I was previously told that there is something called Spa-Cal that Ideal-Spa carries here in Surrey, but I checked with them and they don't carry it anymore. They have replaced it with a different line.

So if you have any idea what I should get, and where to get it from, please let me know as soon as you can.

Thank you very much.

MO