R Richard Kagen Non-member Feb 21, 2021 #1 I have lost confidence in my Salferit Nitrate and Hanna ULR Phosphorus (out of reagent also)... thinking about the Red Sea Algae Control kit for NO3 and NO4. Anyone use them? Happy? Better alternatives?
I have lost confidence in my Salferit Nitrate and Hanna ULR Phosphorus (out of reagent also)... thinking about the Red Sea Algae Control kit for NO3 and NO4. Anyone use them? Happy? Better alternatives?