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The description says it is a powder.
"T.S.P. in powder form is a versatile, effective cleaner that works on everything from laundry to garage floors."
Does this seem right?
For 200 gallons if I add .05 grams of potassium phosphate this will give my tank .05ppm of po4? Or roughly .03ppm of po4 from sodium phosphate
Seems so tiny the amount
0.05 ppm is tiny.
Sounds right.
I added .05 grams and my Hanna still read 0.00
So I added another .10 and the Hanna still read 0.00
Whats going on? That quantity should have added more po4.
So I added a grain of sodium phosphate directly to the Hanna and it said 1.15ppm. The water turned blue suggesting po4.
So this Hanna isnt very accurate.
Anyhow I added 110 grams to 3 liters. I' dosing 1 ml per day this way. Should be .03ppm per day of po4.
I' curious why it says something about phosphoric acid? Does it have that?
https://www.google.ca/url?sa=t&sour...44ChAWCCAwAg&usg=AOvVaw2t5WQK2D_hqqoKNWfS0Te5
Folks often find it is rapidly consumed. How soon did you test?
You mean this?
"Phosphoric acid, trisodium salt, dodecahydrate"
That's just a way of naming the compound. A stupid way, IMO, but just a name for Na3PO4 x 12 H2O.
That said, I do not know if what you are using is the dodecahydrate (12 water molecules per phosphate), but if you are, it is less potent than we assumed.
Yes thats it! That is a very stupid way of naming a chemical lol. What a way to confuse someone. I think its probably less potent then no? Which imo is better because my scale had a hard time reading .05g but read .15 just fine.
How much less potent I wonder?