Many plants have their own unique smell, like durian, pepper, etc., you can smell it even with your eyes closed, natural konjac is no exception, comes with a similar "fishy" smell, to say the least, it does not smell good.
Konjac flour also carries a little konjac odor, but konjac gum powder is made by purifying the konjac flour with edible alcohol, which basically eliminates the smell. The purified konjac gum powder is whiter and finer than konjac flour, a hydrophilic colloid that is used as a food thickener.
Although konjac flour and konjac gum powder are very similar, there are actually many differences.