Quote:
Originally Posted by asylumdown
I'm using Tropic Marin's 2 part, and I *think* they use sodium bicarbonate (though it might be soda ash),
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I just buy Arm & Hammer baking soda at Costco and bake it in the oven at 350 for an hour - this turns it from sodium bicarbonate to sodium carbonate (AKA soda ash) which is an advantage if you need to raise your PH level, otherwise you can just mix the baking soda. Be sure to pour it into the water and not add the water to the baking soda or it doesn't mix well. Making your own 2 part would likely save you some $$$. If you have any questions about 2 part dosing give me a call - I have been dosing my own home made 2 part (Randy Holmes Farley's recipe) for almost 10 years.