There is always someone who is just starting in this hobby and may not know some of the things we take for granted. I'm all about documenting step-by-step instructions for just about anything and everything I do so that one day, someone can google it, and find a reassuring article on what they are about to venture forth and do. Having said that, I had to rinse out and reuse my old sand from my 150-gallon tank. This sand had sat in a large 50 gallon trash can on the side of my parents house for over 18 months. Open to the elements and rain.
But, hey why not make use of it for the next tank!?
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