I've been using the Hanna phosphate ULR for some time now and love it.
I just bought the Alk chlorometer today. Wow. Fantastic. Instant reading to the tenth. No more... Has it changed colors all the way? Did it already change color two drops ago? Why have I waited this long. Thank you Hanna.
I just bought the Alk chlorometer today. Wow. Fantastic. Instant reading to the tenth. No more... Has it changed colors all the way? Did it already change color two drops ago? Why have I waited this long. Thank you Hanna.