ZoWhat
7500 Club Member
SeaChem Phosphate Test - how many seconds do you wait to get a true color reading?
5secs? 10? 15? 20? 30? 60secs? 2mins?
Instructions say btwn 5-30secs
...BUT at 5secs I see 0.1ppm but then by 30secs 0.5ppm .... then by 60secs and after 1.0ppm
I'm confused!
5secs? 10? 15? 20? 30? 60secs? 2mins?
Instructions say btwn 5-30secs
...BUT at 5secs I see 0.1ppm but then by 30secs 0.5ppm .... then by 60secs and after 1.0ppm
I'm confused!
