Hey guys i had this thought while setting up my new 72gal bowfront. im making it a native tank so i decided to get buckets of sand/rock mix from the local lake. well its now in my aquarium and it sure smells like its got alot of bacteria in it. i was wondering since the sand and rocks are from the lake does the sand already have beneficial bacteria present, if so do you think it will help speed up cycling? its kind of like people selling "live" rock and sand but this is straight from the lake. what are your opinions???