Hanna checker(713)

[Reeferadicto]

So basically just wanted to know if my checker is broken , every time I check my tank always get 0.00 but I just check my tap water and got this!!
Do I need the ultra low range?

 

[Reeferadicto]

My parameters:
Nitrate:10 salifert
Calcium;around 450
Alk:7.7/8
Mg:1320
Salinity:1.26
Phosphate 0.00 Hanna checker

 

[Miami Reef]

So basically just wanted to know if my checker is broken , every time I check my tank always get 0.00 but I just check my tap water and got this!!
Do I need the ultra low range?

I’d definitely consider getting the ULR. The regular phosphate is not accurate enough for the levels we keep for many of the corals. Not precise either.

 

[Sebastiancrab]

+1 on the ULR. You can always take a sample of your water to your LFS and both of you check the results.