Exactly, spectrum. Not "All bacteria" as previously stated. Some Abs goes after aerobic, some anaerobic, gram neg, gram point of sale. So, you didn't know what was being targeted by Vibrant as you didn't know what you were dosing.Right... Key word.. "Spectrum"
Were you dosing a nuke? A firecracker? Did it accumulate or breakdown? Did it affect clams? Because the polyquat in AlgaeFix, the same one in Vibrant is used to kill mussels in water processing plants. Ya just had to trust them.