DIY Potassium Additive

[rongy]

Hi reefers, I wonder if anyone can give some advice for source of Potassium Chloride for DIY additive. I recently ordered this powder from amazon (also posted screenshot in case people don't want to click on links), and it shows that it has no other ingredient other than potassium chloride, and it's food grade. Wondering if this is okay to be used in the tank. I saw other posts that Randy recommends iHerbs Now Potassium Chloride, but it shows that it also has Magnesium Carbonate, so I'm not sure if that's good or bad.

Also, can I safely assume that this is pure KCL since there's no other ingredient?

 

[Randy Holmes-Farley Verified Community Expert]

Yes, it’s a good choice:

Post your DIY additives here!

Is that the same as "Sodium tetraborate decahydrate"? yes. Decahydrate means 10 water molecules.

www.reef2reef.com

 

[rongy]

Yes, it’s a good choice:

Post your DIY additives here!

Is that the same as "Sodium tetraborate decahydrate"? yes. Decahydrate means 10 water molecules.

www.reef2reef.com

Thank you! What about the iHerb NOW brand that you recommended before? I saw that it has Magnesium Carbonate in the ingredient, does it matter?

 

[gbroadbridge]

Hi reefers, I wonder if anyone can give some advice for source of Potassium Chloride for DIY additive. I recently ordered this powder from amazon (also posted screenshot in case people don't want to click on links), and it shows that it has no other ingredient other than potassium chloride, and it's food grade. Wondering if this is okay to be used in the tank. I saw other posts that Randy recommends iHerbs Now Potassium Chloride, but it shows that it also has Magnesium Carbonate, so I'm not sure if that's good or bad.

Also, can I safely assume that this is pure KCL since there's no other ingredient?

Good choice, and as an added benefit you can also use it to make a storage solution for pH probes

 

[Randy Holmes-Farley Verified Community Expert]

Thank you! What about the iHerb NOW brand that you recommended before? I saw that it has Magnesium Carbonate in the ingredient, does it matter?

That’s fine.