Danny D. wrote:
I spilled a few drops of bleach on the rug, and immediately flushed it
with water, but the thought came to me that there might be an instant
chemical "antidote" to bleach (like there is with an acid:base).
http://www1.picturepush.com/photo/a/...g/12653214.jpg

Is there something (other than water dilution) that counteracts
bleach?

They sell a chlorine removal product for spas and pools. "Chlor-out" sodium
thiosulfate.