You should add a video on using each test kit with the larger containers. Are there situations when you shouldn't use the big ones? Like for PO4 that has one full and two that have smaller containers that don't fill it up? Also, Red Sea Pro calcium is an approved test kit, what is the formula to use with the powder?
You should add a video on using each test kit with the larger containers. Are there situations when you shouldn't use the big ones? Like for PO4 that has one full and two that have smaller containers that don't fill it up? Also, Red Sea Pro calcium is an approved test kit, what is the formula to use with the powder?