There's always a chance in my opinion, remember once you start dosing you will have to be very diligent about it. It should be done at the same time everyday as well. I bet you have more swings with adding buffers though and THAT can hurt your livestock going up and down every day or every other day.
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.