seriously i wont go for ABC+... Calcium, Magnesium, Alkaline may deplete at different rate.. I will rather Buy Red Sea A,B and C rathe than ABC+.. so that i can test individual readings and add accordingly. 2cent of advice
Bicoloured Bird Nest is Easy and Forgiving, just like when you first started dating.
Pink if it's happy. Blue if it's satisfied.Green of it requires more of your attention.
Never brown and seldom White.
Cheers,