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If you're purchasing Sodium Bicarbonate, and wish to use a DIY 2-Part formula that requires Sodium Carbonate (Baked Sodium Bicarbonate) then of course you will have to bake it to "turn it into" Sodium Carbonate. Or as an alternative, you can just purchase Sodium Carbonate in the first place so you don't have to use the oven.
Baking soda (sodium bicarbonate) does get converted to Soda Ash (sodium carbonate) by heating....preferably in an oven. What occurs is the heat drives off a carbon dioxide converting the bicarb. to the carb. In baking applications, it acts like a "chemical" yeast, producing little bubbles in the cake/bread/whatever you're baking.
A "standard" sodium bicarbonate solution is 1 1/8 cups made up to one gallon with RO/DI water, while a sodium carbonate solution is 2 cups (2 1/4 cups of sodium bicarbonate baked at 300 degrees for one hour results in sodium carbonate (ca 2 cups)), made up to one gallon with RO/DI water.
I saw a video where they recommended a mix of sodium carbonate and bicarbonate for increased stability. They mentioned that the same approach is used by Brightwell Alkalin 8.3. I understand sodium carbonate causes a short term increase in pH and sodium bicarbonate a smaller but also short term...
I am using brs sodium bicarbonate for the alk. tank is doing very well, sps coral growing. My daily dose 180mL of soda ash mix and 95mL Calcium mix with using Kalk solutions for the ATO (8 tsp per 5 gallon). Alk steady at 7.5-8.4 , Ca at 440 and Mg 1,300 with 7mL per day. Question: since I am about to run out my Sod Bicarbonate, should I try ...
It’s best to make it into a gallon solution and dose it into sump slowly. Baking soda (sodium bicarbonate) aka:”arm and hammer”, 1 1/8 cup dissolved into a gallon jug of RO/DI water.
The baking of baking soda (sodium bicarbonate) drives off CO2 (and water) and converts it into sodium carbonate. It then has a pH boost when used, which baking soda does not. Baking sodium carbonate in a kitchen oven will not do anything useful. I currently recommend about 400 deg F for an hour, since it can take time for a large amount to heat up.
Converting that into a dry weight ratio of the two compounds by multiplying by the MW of sodium bicarbonate (84) divided by the MW of sodium carbonate (106), we get 8.2 * 84 / 106 = 6.5. So a 6.5:1 ratio of grams of sodium bicarbonate to sodium carbonate should give a pH of around 8.2 when dissolved in seawater.
Instantly. The online reef calculator is pretty spot on. And a big kudos for using sodium bicarb and going through the effort of doing it the right way vs wasting money on those rip off, pre bottled two parts
I’ve done some research but I’m still not so sure how much to use but I’ve read that you can raise alkalinity with baking soda? 46 gallon bowfront. Any advice is appreciated. Tested my parameters today and they are Alk- 7.4 Calc- 490 Mag- 1520 No3- 0-5