I run rowaphos GFO 24/7 and heavy in both my systems and if you keep phosphate locked down at less than around 0.03 you will avoid many of the problems you read about
You might need to change it frequently to start, or it won’t work. As the levels are reduced you might get some leaching from the rocks
If my Hanna reads zero I’m delighted, because of error margins and bioload it won’t be, it will just be very low.
You might need to change it frequently to start, or it won’t work. As the levels are reduced you might get some leaching from the rocks
If my Hanna reads zero I’m delighted, because of error margins and bioload it won’t be, it will just be very low.