In part 2 of the old reciepe, you have sodium carbonate. I always end up with undissolved Sodium carbonate. So, around 40C is the magic temperature for maximum solubility. I was going higher than that.
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In part 2 of the old reciepe, you have sodium carbonate. I always end up with undissolved Sodium carbonate. So, around 40C is the magic temperature for maximum solubility. I was going higher than that.
Is there some text missing in this line?Part 2 - The Alkalinity and Sulfate Part
Dissolve 282.8 g of (=7.07 moles of sodium hydroxide to match the 3.535 moles of sodium carbonate in alkalinity) plus 68.7 g of sodium sulfate in enough water to make a total volume of one gallon
This is a reasonable edit:Is there some text missing in this line?
This is a reasonable edit:
Dissolve 282.8 g of sodium hydroxide (=7.07 moles to match the 3.535 moles of sodium carbonate in alkalinity) plus 68.7 g of sodium sulfate in enough water to make a total volume of one gallon.
Is there any particular advantage to using a product with a higher percentage of calcium chloride? In this product for sale on amazon, the calcium chloride is listed at 94%-97%. Is the other 3%-6% still water? Has anyone ever used this specific calcium product
https://www.google.com/url?sa=t&sou...CCkoQFgguMAA&usg=AOvVaw1q2HLj86ZM4_eHzts-Ma9e
The old recipe may dissolve the material faster at even higher temp, even if the solubility limit is lower. It shouldn't be at the limit.
How much solid remains? Did you bake baking soda to make it?
I used the Sodium Carbonate from BRS. I don’t know exactly how much is left, but there is a layer of white at the bottom.
Not if the only difference is water, which it often is. You may actually pay more to get the product with less water and otherwise equal purity.
Many of these products have significant other materials in them. Sodium, bromide, potassium, etc.
Those particular big concentration ones aren't an issue. It is the unknown levels of smaller but more biologically active ones such as copper that could be a concern.
Nope, you are absolutely correct.Obviously I need to go back to the basics here, but I have a quick question:
I have always been under the (apparently false) assumption that the purpose of dosing the two part was primarily for the calcium and carbonate for coral skeleton growth. If the new recipe does not have carbonate, where is that going to come from? Am I missing something here?
Nope, you are absolutely correct.
I believe what happens is that the sodium hydroxide reacts with carbonic acid which pulls the CO2 from the water. This provides the carbonate while raising pH through reduction in CO2.
I doubt it. Your pH would have to be very high already for it to cause a problem. If you already have a high pH due to running a CO2 scrubber you may be better off sticking to the original 2 part.So would this be a potential issue for those running CO2 scrubbers?
This is a reasonable edit:
Dissolve 282.8 g of sodium hydroxide (=7.07 moles to match the 3.535 moles of sodium carbonate in alkalinity) plus 68.7 g of sodium sulfate in enough water to make a total volume of one gallon.
So I’m confused lol
This recipe is the same potency as Randy’s original recipe just with different stuff?
If I want to make it like Esv I’d just multiply every ingredient by 1.5 ? And there’s potential to concentrate it even more if I wanted?