Martin by Harman JEM Low-Fog 5l High Density

Does indeed produce a high density, long lasting fog. If you operate a quality smoke machine, I reason its best to supply it with the proper, recommended fluid. Sure, some argue that there is little difference between budget smoke fluid and top brand products with a higher price tag. But in my experience there is indeed a difference, foremost in purity. Even the best machine will succumb to mineral buildup over time; and this happens much faster with a product of lesser purity. So far no machine I've operated on genuine Martin fluids have suffered malfunction due to mineral deposition or other factors relating to the fluid.