So what to do? A simple change is just avoiding sponges with germ-odor protection. There are natural kitchen sponges on the market, like Natural Value's scrubber sponge, which are made with 50% post-consumer recycled material and are even certified kosher if you want to go the eco-recycled route.natural loofah sponge...maybe the larger natural shaped style used in the bath/shower, cut in half. The funny thing is we just saw the real vegetable this past weekend at the Alhambra farmer's market and purchased one for dinner without realizing its other use besides being a delicious veggie. Maybe the solution is to just grow our own sponges. That's as natural as they come!