Well the problem is I don't have one now. I have tried different ratios of baking soda and water on wood, and they all work okay. It all depends on the wood. If it is a hardwood, it needs to be more baking soda and vice-versa. I am trying to get as close to 277 as I can get. I do not have 240 in the garage and if I want 240 I have a homemade cord that I run into my laundry room that plugs into my 30 amp 240 volt dryer plug. To make matters worse, we have a main circuit panel and 2 subpanels in the basement that have no spaces left. And where I live, there is constantly a load of laundry in the dryer. The worst part is we have a main circuit panel and 2 subpanels in the basement that have no spaces left, so I can't even run a 15 amp 240 volt line to the garage even if I wanted to. Ideally, I wanted to get 240/277 at about 0.5 amps from a standard 120 volt outlet. Even if I can get 240 from a standard 120 outlet I'd be happy. 277 would be better though. One thing is that I need it to be a transformer, not an electronic country converter for American to European plugs.