JMO, I would NOT do this.
About 5 months ago I tried a new salt, TM Bio-actif (( or however it is spelled )), it is very similar to vodka/sugar/carbon dosing. It was too late when I realized what was happening, but I lost both a red Haddoni (( had it about a month )) and a blue Haddoni (( had had it for 3+ years )). Both of them were slightly stressed -- the red one from being new, and they blue one because it never fully recovered from a stress induced spawning event a year ago. They were in different systems with other Haddonis that weren't stressed at all. The "healthy" ones even started to look "off" when the blue one and the red one died.
Talked to Randy in the chem forum about this, and had a similar experience with an H. Crispa with vodka dosing. We (( mainly him )) decided that the dosing increased the bacteria, but both "good" and "bad" and that was too much for the anemones.
There are a lot better/safer ways to deal with cyano, and vodka dosing isn't worth the risk.