N & P dose question

[Thumbster]

Just double checking before I screw something up.

I’m dosing loudwolf calcium nitrate instead of potassium nitrate, and loudwolf Trisodium phosphate instead of potassium phosphate.

I’ll dilute the phosphate more than what’s in the pic but just wanting to make sure that these are interchangeable and look reasonable?

My tank is zero on N and P and I’ve got Dino’s.

 

[Randy Holmes-Farley Verified Community Expert]

Since we do not need high precision, there's a lot of uncertainty in water volume, and binding of phosphate to rock and sand, a lot of this is dosing by trial and error, and those calculations as you indicate are plenty close enough.