ethanol content testers--are the cheap ones accurate enough?

[scheides]

This thing is smaller than I thought. It's about the size of a pack of wrigley's. Still, it works perfect for my needs, my tank is filled with 85% ethanol:

(angle of pic is slightly off, in person it's obvious)
http://www.scheides.com/albums/evoX/e85tester.sized.jpg

[tpunx99GSX]

This thing is smaller than I thought. It's about the size of a pack of wrigley's. Still, it works perfect for my needs, my tank is filled with 85% ethanol:

(angle of pic is slightly off, in person it's obvious)
http://www.scheides.com/albums/evoX/e85tester.sized.jpg

You should test regular unleaded just to see how much Ethanol is in regular gas.