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- May 16, 2015
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- South Dakota
410 calcium
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Here are my numbers today
Ca 450
Mg 1340
Alk 8.4
PO4 .02 ppm
NO3 8 ppm
Salinity 1.0249
temp 78.3
PH 8.3
What number is the plunger on after the color change with the titrant?Any ideas why is still 1600...?
beside using the Phosphate minus, I also us phosphate RX when the phosphate start climbing lately. It really works well. The Base ingredients is lanthanum Chloride and agent green also has lanthanum chlorideHow do you keep your PO4 under control? Mine always wants to climb up. I'm using the full gamut of AF products as directed. AF reef salt is currently being used. Thanks!
I can't remember exactly but was like around the 2 area.What number is the plunger on after the color change with the titrant?
I have a brs refractometerMain reason of mistakes is not the right salinity (cheap refractometers for measuring salt in food industry not the special one for sea water) when measuring other parameters and accuracy of home test. It is chemistry, small thing could affect the result. For example if you use syringe with reagent. One time you will have ( in saliferd ) 0,8 of reagent and one time you will have 0,86. This will affect the result of Mg by 90 and 30 Ca… there are so many factors…accuracy of home test is around 10%... so if the value let say of Mg is 1300, home tests could show 1170 or 1430...
I can't remember exactly but was like around the 2 area.
I have a brs refractometer
@fragit good questionYou read the titration used correct?
beside using the Phosphate minus, I also us phosphate RX when the phosphate start climbing lately. It really works well. The Base ingredients is lanthanum Chloride and agent green also has lanthanum chloride
Ok, good to know. I've hesitant to combine any additional additives with the AF system. Will try it. Thanks!


You read the titration used correct?
That's where the plunger is at....I read the amount of titration used at the plunger ...Yes that is correct, however your not looking at the actual fluid. You need to read where the plunger is. So if the plunger is on 0.2 you have used 0.8 of the titrant which makes your mag level 1600 as you have indicated.
I pull the GFO when I do use the phosphate remover. I am messing around with the zoevit in the sump also. Once life bio fil is released in the US I am hopping the life bio fil will take care of the phosphates once and for all![]()
This were one takes the measurement for your numberThat's where the plunger is at....I read the amount of titration used at the plunger ...
Here you go. LinkGood point, I'll turn off the GFO. Haven't heard of life bio fil, I'll do a little Googling on it. Thanks [emoji1360]!

